feat: Inital commit

This commit is contained in:
2025-07-26 05:58:59 +00:00
commit 753d1c60ea
1849 changed files with 830533 additions and 0 deletions
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FROM golang:1.24-alpine AS builder
WORKDIR /app
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -a -o /crawler ./cmd/crawler
FROM alpine:latest
COPY --from=builder /crawler /crawler
COPY config.yaml .
ENTRYPOINT ["/crawler"]
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# Makefile for the Hermes Crawler Application
# ====================================================================================
# VARIABLES
# ====================================================================================
# --- Application Configuration ---
BINARY_NAME=crawler
# --- Docker & GCP Configuration ---
# IMPORTANT: Replace with your actual GCP Project ID.
GCP_PROJECT_ID=
GCR_HOSTNAME=gcr.io
IMAGE_NAME=hermes-crawler
IMAGE_TAG=latest
# This variable constructs the full image URL.
IMAGE_URL=$(GCR_HOSTNAME)/$(GCP_PROJECT_ID)/$(IMAGE_NAME):$(IMAGE_TAG)
# This allows passing arguments to the `run` command, e.g., `make run ARGS="-debug"`
ARGS=""
# ====================================================================================
# COMMANDS
# ====================================================================================
# Set the default goal to 'help' so that running 'make' by itself shows the help menu.
.DEFAULT_GOAL := help
.PHONY: help build run test tidy lint clean docker-build docker-push deploy
help: ## ✨ Show this help message
@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "\033[36m%-18s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
build: ## 🛠️ Build the Go binary
@echo "--> Building Go binary..."
@go build -o $(BINARY_NAME) ./cmd/crawler
run: build ## 🚀 Run the application locally (use ARGS="-debug" for debug mode)
@echo "--> Running application locally..."
@./$(BINARY_NAME) $(ARGS)
test: ## 🧪 Run all tests in verbose mode
@echo "--> Running tests..."
@go test -v ./...
tidy: ## 🧹 Tidy Go module dependencies
@echo "--> Tidying go.mod..."
@go mod tidy
lint: ## 🔍 Run the linter (requires golangci-lint)
@echo "--> Running linter..."
@golangci-lint run
clean: ## 🗑️ Remove the compiled binary
@echo "--> Cleaning up..."
@rm -f $(BINARY_NAME)
docker-build: ## 🐳 Build the Docker image
@echo "--> Building Docker image: $(IMAGE_URL)"
@docker build -t $(IMAGE_URL) .
docker-push: docker-build ## ⬆️ Push the Docker image to Google Container Registry
@echo "--> Pushing Docker image: $(IMAGE_URL)"
@docker push $(IMAGE_URL)
deploy: docker-push ## ☁️ Deploy the application as a Cloud Run Job
@echo "--> Deploying to Cloud Run Jobs in project $(GCP_PROJECT_ID)..."
@gcloud beta run jobs deploy ${IMAGE_NAME} \
--image=${IMAGE_URL} \
--region="us-central1" \
--cpu="1" \
--memory="512Mi" \
--task-timeout="5m"
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# AIMAREN
This is a cloud run demo for crawler.
## How to use it
1. Add gcp project to `Makefile` and `config.yaml`.
2. Add telegram bot token to `config.yaml`.
3. Run `make deploy` and then execute your cloud run instnace
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package main
import (
"context"
"flag"
"log"
"strconv"
"strings"
"time"
"git.pengzhan.dev/aimaren/internal/config"
"git.pengzhan.dev/aimaren/internal/crawler"
"git.pengzhan.dev/aimaren/internal/driver"
"git.pengzhan.dev/aimaren/internal/notifier"
"git.pengzhan.dev/aimaren/internal/storage"
)
func main() {
chatIDsFlag := flag.String("chatids", "", "Comma-separated list of Telegram chat IDs to override config")
debugMode := flag.Bool("debug", false, "Enable debug mode to print raw HTML from scrapes.")
flag.Parse()
cfg, err := config.Load()
if err != nil {
log.Fatalf("❌ Failed to load configuration: %v", err)
}
if *chatIDsFlag != "" {
log.Printf("📲 Overriding chat IDs with flag: %s", *chatIDsFlag)
var parsedIDs []int64
idStrings := strings.Split(*chatIDsFlag, ",")
for _, idStr := range idStrings {
id, err := strconv.ParseInt(strings.TrimSpace(idStr), 10, 64)
if err != nil {
log.Fatalf("❌ Invalid chat ID in --chatids flag: '%s'", idStr)
}
parsedIDs = append(parsedIDs, id)
}
cfg.Telegram.ChatIDs = parsedIDs
}
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
if *debugMode {
ctx = context.WithValue(ctx, crawler.DebugContextKey, true)
log.Println("🐞 Debug mode enabled.")
}
store, err := storage.NewFirestoreClient(ctx, cfg.GCPProjectID)
if err != nil {
log.Fatalf("❌ Failed to create Firestore client: %v", err)
}
defer store.Close()
notify, err := notifier.NewTelegramNotifier(cfg)
if err != nil {
log.Fatalf("❌ Failed to create Telegram notifier: %v", err)
}
appDriver := driver.New(store, notify)
if err := appDriver.Run(ctx); err != nil {
log.Fatalf("❌ Crawler run failed: %v", err)
}
log.Println("✅ Crawler run completed successfully.")
}
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gcp_project_id: ""
telegram:
token: ""
chat_ids:
- 1231283373
- 8360523110
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module git.pengzhan.dev/aimaren
go 1.24.4
require (
cloud.google.com/go/firestore v1.18.0
github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1
github.com/gocolly/colly/v2 v2.2.0
github.com/spf13/viper v1.20.1
)
require (
cloud.google.com/go v0.117.0 // indirect
cloud.google.com/go/auth v0.13.0 // indirect
cloud.google.com/go/auth/oauth2adapt v0.2.6 // indirect
cloud.google.com/go/compute/metadata v0.6.0 // indirect
cloud.google.com/go/longrunning v0.6.2 // indirect
github.com/PuerkitoBio/goquery v1.10.2 // indirect
github.com/andybalholm/cascadia v1.3.3 // indirect
github.com/antchfx/htmlquery v1.3.4 // indirect
github.com/antchfx/xmlquery v1.4.4 // indirect
github.com/antchfx/xpath v1.3.3 // indirect
github.com/bits-and-blooms/bitset v1.22.0 // indirect
github.com/felixge/httpsnoop v1.0.4 // indirect
github.com/fsnotify/fsnotify v1.8.0 // indirect
github.com/go-logr/logr v1.4.2 // indirect
github.com/go-logr/stdr v1.2.2 // indirect
github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
github.com/gobwas/glob v0.2.3 // indirect
github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect
github.com/golang/protobuf v1.5.4 // indirect
github.com/google/s2a-go v0.1.8 // indirect
github.com/googleapis/enterprise-certificate-proxy v0.3.4 // indirect
github.com/googleapis/gax-go/v2 v2.14.1 // indirect
github.com/kennygrant/sanitize v1.2.4 // indirect
github.com/nlnwa/whatwg-url v0.6.1 // indirect
github.com/pelletier/go-toml/v2 v2.2.3 // indirect
github.com/sagikazarmark/locafero v0.7.0 // indirect
github.com/saintfish/chardet v0.0.0-20230101081208-5e3ef4b5456d // indirect
github.com/sourcegraph/conc v0.3.0 // indirect
github.com/spf13/afero v1.12.0 // indirect
github.com/spf13/cast v1.7.1 // indirect
github.com/spf13/pflag v1.0.6 // indirect
github.com/subosito/gotenv v1.6.0 // indirect
github.com/temoto/robotstxt v1.1.2 // indirect
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.54.0 // indirect
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.54.0 // indirect
go.opentelemetry.io/otel v1.29.0 // indirect
go.opentelemetry.io/otel/metric v1.29.0 // indirect
go.opentelemetry.io/otel/trace v1.29.0 // indirect
go.uber.org/atomic v1.9.0 // indirect
go.uber.org/multierr v1.9.0 // indirect
golang.org/x/crypto v0.36.0 // indirect
golang.org/x/net v0.37.0 // indirect
golang.org/x/oauth2 v0.25.0 // indirect
golang.org/x/sync v0.12.0 // indirect
golang.org/x/sys v0.31.0 // indirect
golang.org/x/text v0.23.0 // indirect
golang.org/x/time v0.8.0 // indirect
google.golang.org/api v0.215.0 // indirect
google.golang.org/appengine v1.6.8 // indirect
google.golang.org/genproto v0.0.0-20241118233622-e639e219e697 // indirect
google.golang.org/genproto/googleapis/api v0.0.0-20241209162323-e6fa225c2576 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20241223144023-3abc09e42ca8 // indirect
google.golang.org/grpc v1.67.3 // indirect
google.golang.org/protobuf v1.36.6 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)
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cloud.google.com/go v0.117.0 h1:Z5TNFfQxj7WG2FgOGX1ekC5RiXrYgms6QscOm32M/4s=
cloud.google.com/go v0.117.0/go.mod h1:ZbwhVTb1DBGt2Iwb3tNO6SEK4q+cplHZmLWH+DelYYc=
cloud.google.com/go/auth v0.13.0 h1:8Fu8TZy167JkW8Tj3q7dIkr2v4cndv41ouecJx0PAHs=
cloud.google.com/go/auth v0.13.0/go.mod h1:COOjD9gwfKNKz+IIduatIhYJQIc0mG3H102r/EMxX6Q=
cloud.google.com/go/auth/oauth2adapt v0.2.6 h1:V6a6XDu2lTwPZWOawrAa9HUK+DB2zfJyTuciBG5hFkU=
cloud.google.com/go/auth/oauth2adapt v0.2.6/go.mod h1:AlmsELtlEBnaNTL7jCj8VQFLy6mbZv0s4Q7NGBeQ5E8=
cloud.google.com/go/compute/metadata v0.6.0 h1:A6hENjEsCDtC1k8byVsgwvVcioamEHvZ4j01OwKxG9I=
cloud.google.com/go/compute/metadata v0.6.0/go.mod h1:FjyFAW1MW0C203CEOMDTu3Dk1FlqW3Rga40jzHL4hfg=
cloud.google.com/go/firestore v1.18.0 h1:cuydCaLS7Vl2SatAeivXyhbhDEIR8BDmtn4egDhIn2s=
cloud.google.com/go/firestore v1.18.0/go.mod h1:5ye0v48PhseZBdcl0qbl3uttu7FIEwEYVaWm0UIEOEU=
cloud.google.com/go/longrunning v0.6.2 h1:xjDfh1pQcWPEvnfjZmwjKQEcHnpz6lHjfy7Fo0MK+hc=
cloud.google.com/go/longrunning v0.6.2/go.mod h1:k/vIs83RN4bE3YCswdXC5PFfWVILjm3hpEUlSko4PiI=
github.com/PuerkitoBio/goquery v1.10.2 h1:7fh2BdHcG6VFZsK7toXBT/Bh1z5Wmy8Q9MV9HqT2AM8=
github.com/PuerkitoBio/goquery v1.10.2/go.mod h1:0guWGjcLu9AYC7C1GHnpysHy056u9aEkUHwhdnePMCU=
github.com/andybalholm/cascadia v1.3.3 h1:AG2YHrzJIm4BZ19iwJ/DAua6Btl3IwJX+VI4kktS1LM=
github.com/andybalholm/cascadia v1.3.3/go.mod h1:xNd9bqTn98Ln4DwST8/nG+H0yuB8Hmgu1YHNnWw0GeA=
github.com/antchfx/htmlquery v1.3.4 h1:Isd0srPkni2iNTWCwVj/72t7uCphFeor5Q8nCzj1jdQ=
github.com/antchfx/htmlquery v1.3.4/go.mod h1:K9os0BwIEmLAvTqaNSua8tXLWRWZpocZIH73OzWQbwM=
github.com/antchfx/xmlquery v1.4.4 h1:mxMEkdYP3pjKSftxss4nUHfjBhnMk4imGoR96FRY2dg=
github.com/antchfx/xmlquery v1.4.4/go.mod h1:AEPEEPYE9GnA2mj5Ur2L5Q5/2PycJ0N9Fusrx9b12fc=
github.com/antchfx/xpath v1.3.3 h1:tmuPQa1Uye0Ym1Zn65vxPgfltWb/Lxu2jeqIGteJSRs=
github.com/antchfx/xpath v1.3.3/go.mod h1:i54GszH55fYfBmoZXapTHN8T8tkcHfRgLyVwwqzXNcs=
github.com/bits-and-blooms/bitset v1.20.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
github.com/bits-and-blooms/bitset v1.22.0 h1:Tquv9S8+SGaS3EhyA+up3FXzmkhxPGjQQCkcs2uw7w4=
github.com/bits-and-blooms/bitset v1.22.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
github.com/fsnotify/fsnotify v1.8.0 h1:dAwr6QBTBZIkG8roQaJjGof0pp0EeF+tNV7YBP3F/8M=
github.com/fsnotify/fsnotify v1.8.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1 h1:wG8n/XJQ07TmjbITcGiUaOtXxdrINDz1b0J1w0SzqDc=
github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1/go.mod h1:A2S0CWkNylc2phvKXWBBdD3K0iGnDBGbzRpISP2zBl8=
github.com/go-viper/mapstructure/v2 v2.2.1 h1:ZAaOCxANMuZx5RCeg0mBdEZk7DZasvvZIxtHqx8aGss=
github.com/go-viper/mapstructure/v2 v2.2.1/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
github.com/gobwas/glob v0.2.3 h1:A4xDbljILXROh+kObIiy5kIaPYD8e96x1tgBhUI5J+Y=
github.com/gobwas/glob v0.2.3/go.mod h1:d3Ez4x06l9bZtSvzIay5+Yzi0fmZzPgnTbPcKjJAkT8=
github.com/gocolly/colly/v2 v2.2.0 h1:FQGxcqvTdFAvOpMRhk52o20Qsf6KtRU5HSf0bITS38I=
github.com/gocolly/colly/v2 v2.2.0/go.mod h1:YOQwv1ofoQOzJiELnkThDd6ObOfl6odUk2i6Czbx3Ws=
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 h1:f+oWsMOmNPc8JmEHVZIycC7hBoQxHH9pNKQORJNozsQ=
github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8/go.mod h1:wcDNUvekVysuuOpQKo3191zZyTpiI6se1N1ULghS0sw=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/google/s2a-go v0.1.8 h1:zZDs9gcbt9ZPLV0ndSyQk6Kacx2g/X+SKYovpnz3SMM=
github.com/google/s2a-go v0.1.8/go.mod h1:6iNWHTpQ+nfNRN5E00MSdfDwVesa8hhS32PhPO8deJA=
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/googleapis/enterprise-certificate-proxy v0.3.4 h1:XYIDZApgAnrN1c855gTgghdIA6Stxb52D5RnLI1SLyw=
github.com/googleapis/enterprise-certificate-proxy v0.3.4/go.mod h1:YKe7cfqYXjKGpGvmSg28/fFvhNzinZQm8DGnaburhGA=
github.com/googleapis/gax-go/v2 v2.14.1 h1:hb0FFeiPaQskmvakKu5EbCbpntQn48jyHuvrkurSS/Q=
github.com/googleapis/gax-go/v2 v2.14.1/go.mod h1:Hb/NubMaVM88SrNkvl8X/o8XWwDJEPqouaLeN2IUxoA=
github.com/kennygrant/sanitize v1.2.4 h1:gN25/otpP5vAsO2djbMhF/LQX6R7+O1TB4yv8NzpJ3o=
github.com/kennygrant/sanitize v1.2.4/go.mod h1:LGsjYYtgxbetdg5owWB2mpgUL6e2nfw2eObZ0u0qvak=
github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/nlnwa/whatwg-url v0.6.1 h1:Zlefa3aglQFHF/jku45VxbEJwPicDnOz64Ra3F7npqQ=
github.com/nlnwa/whatwg-url v0.6.1/go.mod h1:x0FPXJzzOEieQtsBT/AKvbiBbQ46YlL6Xa7m02M1ECk=
github.com/pelletier/go-toml/v2 v2.2.3 h1:YmeHyLY8mFWbdkNWwpr+qIL2bEqT0o95WSdkNHvL12M=
github.com/pelletier/go-toml/v2 v2.2.3/go.mod h1:MfCQTFTvCcUyyvvwm1+G6H/jORL20Xlb6rzQu9GuUkc=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
github.com/sagikazarmark/locafero v0.7.0 h1:5MqpDsTGNDhY8sGp0Aowyf0qKsPrhewaLSsFaodPcyo=
github.com/sagikazarmark/locafero v0.7.0/go.mod h1:2za3Cg5rMaTMoG/2Ulr9AwtFaIppKXTRYnozin4aB5k=
github.com/saintfish/chardet v0.0.0-20230101081208-5e3ef4b5456d h1:hrujxIzL1woJ7AwssoOcM/tq5JjjG2yYOc8odClEiXA=
github.com/saintfish/chardet v0.0.0-20230101081208-5e3ef4b5456d/go.mod h1:uugorj2VCxiV1x+LzaIdVa9b4S4qGAcH6cbhh4qVxOU=
github.com/sourcegraph/conc v0.3.0 h1:OQTbbt6P72L20UqAkXXuLOj79LfEanQ+YQFNpLA9ySo=
github.com/sourcegraph/conc v0.3.0/go.mod h1:Sdozi7LEKbFPqYX2/J+iBAM6HpqSLTASQIKqDmF7Mt0=
github.com/spf13/afero v1.12.0 h1:UcOPyRBYczmFn6yvphxkn9ZEOY65cpwGKb5mL36mrqs=
github.com/spf13/afero v1.12.0/go.mod h1:ZTlWwG4/ahT8W7T0WQ5uYmjI9duaLQGy3Q2OAl4sk/4=
github.com/spf13/cast v1.7.1 h1:cuNEagBQEHWN1FnbGEjCXL2szYEXqfJPbP2HNUaca9Y=
github.com/spf13/cast v1.7.1/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
github.com/spf13/pflag v1.0.6 h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=
github.com/spf13/pflag v1.0.6/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
github.com/spf13/viper v1.20.1 h1:ZMi+z/lvLyPSCoNtFCpqjy0S4kPbirhpTMwl8BkW9X4=
github.com/spf13/viper v1.20.1/go.mod h1:P9Mdzt1zoHIG8m2eZQinpiBjo6kCmZSKBClNNqjJvu4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8=
github.com/subosito/gotenv v1.6.0/go.mod h1:Dk4QP5c2W3ibzajGcXpNraDfq2IrhjMIvMSWPKKo0FU=
github.com/temoto/robotstxt v1.1.2 h1:W2pOjSJ6SWvldyEuiFXNxz3xZ8aiWX5LbfDiOFd7Fxg=
github.com/temoto/robotstxt v1.1.2/go.mod h1:+1AmkuG3IYkh1kv0d2qEB9Le88ehNO0zwOr3ujewlOo=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.54.0 h1:r6I7RJCN86bpD/FQwedZ0vSixDpwuWREjW9oRMsmqDc=
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.54.0/go.mod h1:B9yO6b04uB80CzjedvewuqDhxJxi11s7/GtiGa8bAjI=
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.54.0 h1:TT4fX+nBOA/+LUkobKGW1ydGcn+G3vRw9+g5HwCphpk=
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.54.0/go.mod h1:L7UH0GbB0p47T4Rri3uHjbpCFYrVrwc1I25QhNPiGK8=
go.opentelemetry.io/otel v1.29.0 h1:PdomN/Al4q/lN6iBJEN3AwPvUiHPMlt93c8bqTG5Llw=
go.opentelemetry.io/otel v1.29.0/go.mod h1:N/WtXPs1CNCUEx+Agz5uouwCba+i+bJGFicT8SR4NP8=
go.opentelemetry.io/otel/metric v1.29.0 h1:vPf/HFWTNkPu1aYeIsc98l4ktOQaL6LeSoeV2g+8YLc=
go.opentelemetry.io/otel/metric v1.29.0/go.mod h1:auu/QWieFVWx+DmQOUMgj0F8LHWdgalxXqvp7BII/W8=
go.opentelemetry.io/otel/sdk v1.29.0 h1:vkqKjk7gwhS8VaWb0POZKmIEDimRCMsopNYnriHyryo=
go.opentelemetry.io/otel/sdk v1.29.0/go.mod h1:pM8Dx5WKnvxLCb+8lG1PRNIDxu9g9b9g59Qr7hfAAok=
go.opentelemetry.io/otel/trace v1.29.0 h1:J/8ZNK4XgR7a21DZUAsbF8pZ5Jcw1VhACmnYt39JTi4=
go.opentelemetry.io/otel/trace v1.29.0/go.mod h1:eHl3w0sp3paPkYstJOmAimxhiFXPg+MMTlEh3nsQgWQ=
go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
go.uber.org/multierr v1.9.0 h1:7fIwc/ZtS0q++VgcfqFDxSBZVv/Xo49/SYnDFupUwlI=
go.uber.org/multierr v1.9.0/go.mod h1:X2jQV1h+kxSjClGpnseKVIxpmcjrj7MNnI0bnlfKTVQ=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU=
golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8=
golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
golang.org/x/crypto v0.32.0/go.mod h1:ZnnJkOaASj8g0AjIduWNlq2NRxL0PlBrbKVyZ6V/Ugc=
golang.org/x/crypto v0.36.0 h1:AnAEvhDddvBdpY+uR+MyHmuZzzNqXSe/GvuDeob5L34=
golang.org/x/crypto v0.36.0/go.mod h1:Y4J0ReaxCR1IMaabaSMugxJES1EpwhBHhv2bDHklZvc=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
golang.org/x/mod v0.15.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
golang.org/x/mod v0.17.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
golang.org/x/net v0.34.0/go.mod h1:di0qlW3YNM5oh6GqDGQr92MyTozJPmybPK4Ev/Gm31k=
golang.org/x/net v0.37.0 h1:1zLorHbz+LYj7MQlSf1+2tPIIgibq2eL5xkrGk6f+2c=
golang.org/x/net v0.37.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
golang.org/x/oauth2 v0.25.0 h1:CY4y7XT9v0cRI9oupztF8AgiIu99L/ksR/Xp/6jrZ70=
golang.org/x/oauth2 v0.25.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
golang.org/x/sync v0.12.0 h1:MHc5BpPuC30uJk597Ri8TV3CNZcTLu6B6z4lJy+g6Jw=
golang.org/x/sync v0.12.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
golang.org/x/telemetry v0.0.0-20240228155512-f48c80bd79b2/go.mod h1:TeRTkGYfJXctD9OcfyVLyj2J3IxLnKwHJR8f4D8a3YE=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY=
golang.org/x/term v0.27.0/go.mod h1:iMsnZpn0cago0GOrHO2+Y7u7JPn5AylBrcoWkElMTSM=
golang.org/x/term v0.28.0/go.mod h1:Sw/lC2IAUZ92udQNf3WodGtn4k/XoLyZoh8v/8uiwek=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
golang.org/x/text v0.23.0 h1:D71I7dUrlY+VX0gQShAThNGHFxZ13dGLBHQLVl1mJlY=
golang.org/x/text v0.23.0/go.mod h1:/BLNzu4aZCJ1+kcD0DNRotWKage4q2rGVAg4o22unh4=
golang.org/x/time v0.8.0 h1:9i3RxcPv3PZnitoVGMPDKZSq1xW1gK1Xy3ArNOGZfEg=
golang.org/x/time v0.8.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/api v0.215.0 h1:jdYF4qnyczlEz2ReWIsosNLDuzXyvFHJtI5gcr0J7t0=
google.golang.org/api v0.215.0/go.mod h1:fta3CVtuJYOEdugLNWm6WodzOS8KdFckABwN4I40hzY=
google.golang.org/appengine v1.6.8 h1:IhEN5q69dyKagZPYMSdIjS2HqprW324FRQZJcGqPAsM=
google.golang.org/appengine v1.6.8/go.mod h1:1jJ3jBArFh5pcgW8gCtRJnepW8FzD1V44FJffLiz/Ds=
google.golang.org/genproto v0.0.0-20241118233622-e639e219e697 h1:ToEetK57OidYuqD4Q5w+vfEnPvPpuTwedCNVohYJfNk=
google.golang.org/genproto v0.0.0-20241118233622-e639e219e697/go.mod h1:JJrvXBWRZaFMxBufik1a4RpFw4HhgVtBBWQeQgUj2cc=
google.golang.org/genproto/googleapis/api v0.0.0-20241209162323-e6fa225c2576 h1:CkkIfIt50+lT6NHAVoRYEyAvQGFM7xEwXUUywFvEb3Q=
google.golang.org/genproto/googleapis/api v0.0.0-20241209162323-e6fa225c2576/go.mod h1:1R3kvZ1dtP3+4p4d3G8uJ8rFk/fWlScl38vanWACI08=
google.golang.org/genproto/googleapis/rpc v0.0.0-20241223144023-3abc09e42ca8 h1:TqExAhdPaB60Ux47Cn0oLV07rGnxZzIsaRhQaqS666A=
google.golang.org/genproto/googleapis/rpc v0.0.0-20241223144023-3abc09e42ca8/go.mod h1:lcTa1sDdWEIHMWlITnIczmw5w60CF9ffkb8Z+DVmmjA=
google.golang.org/grpc v1.67.3 h1:OgPcDAFKHnH8X3O4WcO4XUc8GRDeKsKReqbQtiCj7N8=
google.golang.org/grpc v1.67.3/go.mod h1:YGaHCc6Oap+FzBJTZLBzkGSYt/cvGPFTPxkn7QfSU8s=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.36.6 h1:z1NpPI8ku2WgiWnf+t9wTPsn6eP1L7ksHUlkfLvd9xY=
google.golang.org/protobuf v1.36.6/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+42
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package config
import (
"log"
"strings"
"github.com/spf13/viper"
)
type Config struct {
GCPProjectID string `mapstructure:"gcp_project_id"`
Telegram struct {
Token string `mapstructure:"token"`
ChatIDs []int64 `mapstructure:"chat_ids"`
} `mapstructure:"telegram"`
}
func Load() (Config, error) {
viper.SetConfigName("config")
viper.SetConfigType("yaml")
viper.AddConfigPath(".")
viper.SetEnvPrefix("CRAWLER")
viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
viper.AutomaticEnv()
var cfg Config
if err := viper.ReadInConfig(); err != nil {
// If the error is that the file wasn't found, that's okay. Log it and continue.
if _, ok := err.(viper.ConfigFileNotFoundError); ok {
log.Println("️ No 'config.yaml' file found. Relying on environment variables or flags.")
} else {
// For any other error (e.g., malformed YAML), return the error.
return cfg, err
}
}
if err := viper.Unmarshal(&cfg); err != nil {
return cfg, err
}
return cfg, nil
}
+109
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package crawler
import (
"context"
"errors"
"fmt"
"log"
"math/rand"
"regexp"
"strings"
"time"
"github.com/gocolly/colly/v2"
)
// ... userAgents, referers, regex vars ...
var userAgents = []string{
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36",
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36",
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Firefox/117.0",
}
var referers = []string{
"https://www.google.com/",
"https://www.hermes.com/us/en/",
}
var blockRegex = regexp.MustCompile(`(?i)Access\s+blocked`)
func init() {
rand.New(rand.NewSource(time.Now().UnixNano()))
}
func Scrape(ctx context.Context, url string) (map[string]Bag, error) {
var blockedError error
var responseBody []byte // Variable to store the decompressed body
c := colly.NewCollector()
c.Limit(&colly.LimitRule{
DomainGlob: "*",
RandomDelay: 2 * time.Second,
})
c.OnRequest(func(r *colly.Request) {
r.Headers.Set("User-Agent", userAgents[rand.Intn(len(userAgents))])
r.Headers.Set("Referer", referers[rand.Intn(len(referers))])
// By default, Colly adds the correct Accept-Encoding header.
// We don't need to set it manually.
})
// The OnResponse callback now just saves the body for later.
c.OnResponse(func(r *colly.Response) {
responseBody = r.Body
})
foundBags := make(map[string]Bag)
skuRegex := regexp.MustCompile(`-H\w+$`)
c.OnHTML("div.product-grid-list-item", func(e *colly.HTMLElement) {
// ... HTML parsing logic remains the same ...
idStr := e.Attr("id")
skuMatch := skuRegex.FindString(idStr)
if skuMatch == "" {
return
}
sku := strings.TrimPrefix(skuMatch, "-")
unavailableIndicator := e.DOM.Find("span:contains('Unavailable')")
isAvailable := unavailableIndicator.Length() == 0
bag := Bag{
SKU: sku,
Name: e.ChildText("span.product-title"),
URL: e.Request.AbsoluteURL(e.ChildAttr("a.product-item-name", "href")),
ImageURL: "https:" + e.ChildAttr("img[id^='img-']", "src"),
Availability: isAvailable,
}
if bag.Name != "" && bag.URL != "" {
foundBags[sku] = bag
}
})
c.OnScraped(func(r *colly.Response) {
// The response body is now guaranteed to be decompressed and readable.
if isDebug, ok := ctx.Value(DebugContextKey).(bool); ok && isDebug {
log.Printf("[DEBUG] Raw HTML response received:\n%s\n", string(responseBody))
}
// Check for the block message on the readable content.
if blockRegex.Match(responseBody) {
blockedError = errors.New("request failed: hit anti-crawling wall (message found in page)")
}
})
c.OnError(func(r *colly.Response, err error) {
log.Printf("❌ Colly request error for %s (Status: %d): %v", r.Request.URL, r.StatusCode, err)
})
err := c.Visit(url)
if blockedError != nil {
return nil, blockedError
}
if err != nil {
return nil, fmt.Errorf("could not complete visit to %s: %w", url, err)
}
return foundBags, nil
}
+74
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package crawler_test
import (
"context"
"fmt"
"strings"
"testing"
"git.pengzhan.dev/aimaren/internal/crawler"
)
const (
// The live URL to be used for the end-to-end test.
testURL = "https://www.hermes.com/us/en/category/women/bags-and-small-leather-goods/bags-and-clutches/"
)
// TestScrape_EndToEnd performs a live test against the Hermès website.
// NOTE: This test makes a real network request and may fail due to network issues,
// IP blocking, or changes on the live website.
func TestScrape_EndToEnd(t *testing.T) {
t.Log("🚀 Starting end-to-end test against:", testURL)
// Requirement 1 & 2: Get HTML content and generate bags.
// The Scrape function handles the HTTP request internally.
// If the response is not 200 OK, it will return an error.
bags, err := crawler.Scrape(context.WithValue(t.Context(), crawler.DebugContextKey, true), testURL)
if err != nil {
t.Fatalf("❌ Test Failed: The scrape function returned an error. This could be a network issue or a non-200 response from the server. Error: %v", err)
}
// Requirement 2: Fail if the result is empty.
if len(bags) == 0 {
t.Fatalf("❌ Test Failed: Scraper found 0 items. The website's HTML structure has likely changed completely, or the request was blocked.")
}
t.Logf("✅ Successfully scraped %d items. Performing data validation...", len(bags))
var availableCount, unavailableCount int
var sampleBags []string
for sku, bag := range bags {
// Requirement 4 (Others): Sanity check each parsed item.
if bag.Name == "" {
t.Errorf("❌ Test Failed: Bag with SKU %s has an empty Name.", sku)
}
if !strings.HasPrefix(bag.URL, "http") {
t.Errorf("❌ Test Failed: Bag with SKU %s has an invalid URL: %s", sku, bag.URL)
}
// Requirement 3: Count availability for health check.
if bag.Availability {
availableCount++
} else {
unavailableCount++
}
// Collect a few samples for logging.
if len(sampleBags) < 3 {
sampleBags = append(sampleBags, fmt.Sprintf(" - %s (Available: %t)", bag.Name, bag.Availability))
}
}
// Log statistics for review.
t.Logf("📊 Availability Stats: %d Available, %d Unavailable", availableCount, unavailableCount)
t.Logf("✨ Sample Items:\n%s", strings.Join(sampleBags, "\n"))
// Requirement 3: Warn if availability is homogenous.
if availableCount == 0 || unavailableCount == 0 {
// This is a warning, not a failure. It flags a potential issue with the availability logic.
t.Logf("⚠️ WARNING: All scraped bags have the same availability status. The 'unavailable' indicator on the website may have changed, causing our logic to be incorrect.")
}
t.Log("✅ End-to-end test completed successfully.")
}
+15
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package crawler
import "time"
// Bag holds the metadata for a single product.
type Bag struct {
SKU string `firestore:"sku"`
Name string `firestore:"name"`
URL string `firestore:"url"`
ImageURL string `firestore:"imageURL"`
Availability bool `firestore:"availability"`
CreatedTimestamp time.Time `firestore:"createdTimestamp,serverTimestamp"`
UpdatedTimestamp time.Time `firestore:"updatedTimestamp,serverTimestamp"`
DeleteTimestamp *time.Time `firestore:"deleteTimestamp,omitempty"`
}
+7
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package crawler
// Define a custom type for our context key to avoid collisions.
type contextKey string
// DebugContextKey is the key for the debug flag in the context.
const DebugContextKey contextKey = "debug"
+120
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package driver
import (
"context"
"errors"
"fmt"
"log"
"time"
"git.pengzhan.dev/aimaren/internal/crawler"
"git.pengzhan.dev/aimaren/internal/notifier"
"git.pengzhan.dev/aimaren/internal/storage"
)
const hermesBagsURL = "https://www.hermes.com/us/en/category/women/bags-and-small-leather-goods/bags-and-clutches/"
// Driver orchestrates the crawling, state management, and notification process.
type Driver struct {
store storage.Storer
notify notifier.Notifier
}
func New(store storage.Storer, notify notifier.Notifier) *Driver {
return &Driver{store: store, notify: notify}
}
// Run now uses the consolidated AppState model.
func (d *Driver) Run(ctx context.Context) error {
log.Println("🚀 Kicking off new crawl cycle...")
scrapedBags, err := crawler.Scrape(ctx, hermesBagsURL)
if err != nil {
return fmt.Errorf("scraping failed: %w", err)
}
if len(scrapedBags) == 0 {
return errors.New("scraper found 0 items, indicating a possible block or site change")
}
log.Printf("✅ Scraped %d items successfully.", len(scrapedBags))
// Fetch the entire application state in one call.
appState, err := d.store.FetchAppState(ctx)
if err != nil {
return fmt.Errorf("could not fetch app state from storage: %w", err)
}
// Process all changes, which modifies the appState object directly.
hasChanges, notifications := d.processChanges(appState, scrapedBags)
// If there are notifications, broadcast to all chat IDs from the app state.
if len(notifications) > 0 {
if len(appState.ChatIDs) > 0 {
log.Printf("✨ Found %d events. Broadcasting to %d subscribers...", len(notifications), len(appState.ChatIDs))
for _, msg := range notifications {
// The notifier now needs the list of IDs to send to.
d.notify.Broadcast(appState.ChatIDs, msg)
}
} else {
log.Println("✨ Found events, but no subscribers to notify.")
}
}
// If the state has changed, persist it back to storage.
if hasChanges {
log.Println("💾 State has changed. Updating storage...")
if err := d.store.UpdateAppState(ctx, appState); err != nil {
return fmt.Errorf("failed to update app state: %w", err)
}
log.Println("✅ Storage state updated successfully.")
} else {
log.Println("✨ No changes detected that require a state update.")
}
return nil
}
// processChanges now takes and modifies the AppState directly.
func (d *Driver) processChanges(appState *storage.AppState, scrapedBags map[string]crawler.Bag) (bool, []string) {
var notifications []string
hasChanges := false
for sku, newBag := range scrapedBags {
oldBag, exists := appState.Bags[sku]
if !exists || (exists && oldBag.DeleteTimestamp != nil) {
hasChanges = true
msg := fmt.Sprintf("✨ NEW/RETURNED BAG ✨\n\nName: %s\nAvailable: %t\nURL: %s", newBag.Name, newBag.Availability, newBag.URL)
notifications = append(notifications, msg)
newBag.CreatedTimestamp = time.Now()
newBag.UpdatedTimestamp = time.Now()
newBag.DeleteTimestamp = nil
appState.Bags[sku] = newBag
continue
}
if oldBag.Availability != newBag.Availability {
hasChanges = true
status := "In Stock!"
if !newBag.Availability {
status = "Sold Out"
}
msg := fmt.Sprintf("🚨 STOCK ALERT: %s 🚨\n\nName: %s \nURL: %s", status, newBag.Name, newBag.URL)
notifications = append(notifications, msg)
oldBag.Availability = newBag.Availability
oldBag.UpdatedTimestamp = time.Now()
appState.Bags[sku] = oldBag
}
}
for sku, oldBag := range appState.Bags {
if _, exists := scrapedBags[sku]; !exists && oldBag.DeleteTimestamp == nil {
hasChanges = true
now := time.Now()
oldBag.DeleteTimestamp = &now
appState.Bags[sku] = oldBag
log.Printf("✅ Bag '%s' marked as removed.", oldBag.Name)
}
}
return hasChanges, notifications
}
+7
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package notifier
// Notifier defines the interface for sending notifications.
type Notifier interface {
// Broadcast sends a message to a given list of chat IDs.
Broadcast(chatIDs []int64, message string) error
}
+53
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package notifier
import (
"log"
"sync"
"git.pengzhan.dev/aimaren/internal/config"
tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
)
// TelegramNotifier no longer needs to store chat IDs.
type TelegramNotifier struct {
bot *tgbotapi.BotAPI
}
// NewTelegramNotifier is now simpler and only requires the token.
func NewTelegramNotifier(cfg config.Config) (*TelegramNotifier, error) {
bot, err := tgbotapi.NewBotAPI(cfg.Telegram.Token)
if err != nil {
return nil, err
}
return &TelegramNotifier{bot: bot}, nil
}
// Broadcast sends a message to all provided chat IDs in parallel.
func (t *TelegramNotifier) Broadcast(chatIDs []int64, message string) error {
var wg sync.WaitGroup
for _, id := range chatIDs {
wg.Add(1)
// Launch a goroutine for each message to send them concurrently.
go func(chatID int64) {
defer wg.Done()
msg := tgbotapi.NewMessage(chatID, message)
if _, err := t.bot.Send(msg); err != nil {
log.Printf("⚠️ Failed to send Telegram notification to chat ID %d: %v", chatID, err)
}
}(id)
}
// Wait for all messages to be sent before returning.
wg.Wait()
return nil
}
// SendTo sends a message to a single, specific chat ID.
// This is used by the bot-server for welcome messages.
func (t *TelegramNotifier) SendTo(chatID int64, message string) error {
msg := tgbotapi.NewMessage(chatID, message)
_, err := t.bot.Send(msg)
return err
}
+67
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package storage
import (
"context"
"cloud.google.com/go/firestore"
"git.pengzhan.dev/aimaren/internal/crawler"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
const (
stateCollection = "hermes_state"
stateDocument = "main"
)
type FirestoreClient struct {
client *firestore.Client
}
func NewFirestoreClient(ctx context.Context, projectID string) (*FirestoreClient, error) {
client, err := firestore.NewClient(ctx, projectID)
if err != nil {
return nil, err
}
return &FirestoreClient{client: client}, nil
}
// FetchAppState retrieves the entire application state from a single document.
func (fs *FirestoreClient) FetchAppState(ctx context.Context) (*AppState, error) {
doc, err := fs.client.Collection(stateCollection).Doc(stateDocument).Get(ctx)
if err != nil {
// If the doc doesn't exist, return a new, empty AppState.
if status.Code(err) == codes.NotFound {
return &AppState{
Bags: make(map[string]crawler.Bag),
ChatIDs: []int64{},
}, nil
}
return nil, err
}
var state AppState
if err := doc.DataTo(&state); err != nil {
return nil, err
}
return &state, nil
}
// UpdateAppState writes the entire application state back to the document.
func (fs *FirestoreClient) UpdateAppState(ctx context.Context, newState *AppState) error {
_, err := fs.client.Collection(stateCollection).Doc(stateDocument).Set(ctx, newState)
return err
}
// AddChatID atomically adds a new chat ID to the list in the main state document.
func (fs *FirestoreClient) AddChatID(ctx context.Context, chatID int64) error {
docRef := fs.client.Collection(stateCollection).Doc(stateDocument)
_, err := docRef.Update(ctx, []firestore.Update{
{Path: "chat_ids", Value: firestore.ArrayUnion(chatID)},
})
return err
}
func (fs *FirestoreClient) Close() {
fs.client.Close()
}
+11
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package storage
import (
"git.pengzhan.dev/aimaren/internal/crawler"
)
// AppState represents the entire state of the application stored in Firestore.
type AppState struct {
Bags map[string]crawler.Bag `firestore:"bags"`
ChatIDs []int64 `firestore:"chat_ids"`
}
+12
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package storage
import (
"context"
)
// Storer defines the interface for database operations.
type Storer interface {
FetchAppState(ctx context.Context) (*AppState, error)
UpdateAppState(ctx context.Context, newState *AppState) error
AddChatID(ctx context.Context, chatID int64) error
}
+202
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
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"License" shall mean the terms and conditions for use, reproduction,
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+368
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@@ -0,0 +1,368 @@
# Changelog
## [0.13.0](https://github.com/googleapis/google-cloud-go/compare/auth/v0.12.1...auth/v0.13.0) (2024-12-13)
### Features
* **auth:** Add logging support ([#11079](https://github.com/googleapis/google-cloud-go/issues/11079)) ([c80e31d](https://github.com/googleapis/google-cloud-go/commit/c80e31df5ecb33a810be3dfb9d9e27ac531aa91d))
* **auth:** Pass logger from auth layer to metadata package ([#11288](https://github.com/googleapis/google-cloud-go/issues/11288)) ([b552efd](https://github.com/googleapis/google-cloud-go/commit/b552efd6ab34e5dfded18438e0fbfd925805614f))
### Bug Fixes
* **auth:** Check compute cred type before non-default flag for DP ([#11255](https://github.com/googleapis/google-cloud-go/issues/11255)) ([4347ca1](https://github.com/googleapis/google-cloud-go/commit/4347ca141892be8ae813399b4b437662a103bc90))
## [0.12.1](https://github.com/googleapis/google-cloud-go/compare/auth/v0.12.0...auth/v0.12.1) (2024-12-10)
### Bug Fixes
* **auth:** Correct typo in link ([#11160](https://github.com/googleapis/google-cloud-go/issues/11160)) ([af6fb46](https://github.com/googleapis/google-cloud-go/commit/af6fb46d7cd694ddbe8c9d63bc4cdcd62b9fb2c1))
## [0.12.0](https://github.com/googleapis/google-cloud-go/compare/auth/v0.11.0...auth/v0.12.0) (2024-12-04)
### Features
* **auth:** Add support for providing custom certificate URL ([#11006](https://github.com/googleapis/google-cloud-go/issues/11006)) ([ebf3657](https://github.com/googleapis/google-cloud-go/commit/ebf36579724afb375d3974cf1da38f703e3b7dbc)), refs [#11005](https://github.com/googleapis/google-cloud-go/issues/11005)
### Bug Fixes
* **auth:** Ensure endpoints are present in Validator ([#11209](https://github.com/googleapis/google-cloud-go/issues/11209)) ([106cd53](https://github.com/googleapis/google-cloud-go/commit/106cd53309facaef1b8ea78376179f523f6912b9)), refs [#11006](https://github.com/googleapis/google-cloud-go/issues/11006) [#11190](https://github.com/googleapis/google-cloud-go/issues/11190) [#11189](https://github.com/googleapis/google-cloud-go/issues/11189) [#11188](https://github.com/googleapis/google-cloud-go/issues/11188)
## [0.11.0](https://github.com/googleapis/google-cloud-go/compare/auth/v0.10.2...auth/v0.11.0) (2024-11-21)
### Features
* **auth:** Add universe domain support to mTLS ([#11159](https://github.com/googleapis/google-cloud-go/issues/11159)) ([117748b](https://github.com/googleapis/google-cloud-go/commit/117748ba1cfd4ae62a6a4feb7e30951cb2bc9344))
## [0.10.2](https://github.com/googleapis/google-cloud-go/compare/auth/v0.10.1...auth/v0.10.2) (2024-11-12)
### Bug Fixes
* **auth:** Restore use of grpc.Dial ([#11118](https://github.com/googleapis/google-cloud-go/issues/11118)) ([2456b94](https://github.com/googleapis/google-cloud-go/commit/2456b943b7b8aaabd4d8bfb7572c0f477ae0db45)), refs [#7556](https://github.com/googleapis/google-cloud-go/issues/7556)
## [0.10.1](https://github.com/googleapis/google-cloud-go/compare/auth/v0.10.0...auth/v0.10.1) (2024-11-06)
### Bug Fixes
* **auth:** Restore Application Default Credentials support to idtoken ([#11083](https://github.com/googleapis/google-cloud-go/issues/11083)) ([8771f2e](https://github.com/googleapis/google-cloud-go/commit/8771f2ea9807ab822083808e0678392edff3b4f2))
* **auth:** Skip impersonate universe domain check if empty ([#11086](https://github.com/googleapis/google-cloud-go/issues/11086)) ([87159c1](https://github.com/googleapis/google-cloud-go/commit/87159c1059d4a18d1367ce62746a838a94964ab6))
## [0.10.0](https://github.com/googleapis/google-cloud-go/compare/auth/v0.9.9...auth/v0.10.0) (2024-10-30)
### Features
* **auth:** Add universe domain support to credentials/impersonate ([#10953](https://github.com/googleapis/google-cloud-go/issues/10953)) ([e06cb64](https://github.com/googleapis/google-cloud-go/commit/e06cb6499f7eda3aef08ab18ff197016f667684b))
## [0.9.9](https://github.com/googleapis/google-cloud-go/compare/auth/v0.9.8...auth/v0.9.9) (2024-10-22)
### Bug Fixes
* **auth:** Fallback cert lookups for missing files ([#11013](https://github.com/googleapis/google-cloud-go/issues/11013)) ([bd76695](https://github.com/googleapis/google-cloud-go/commit/bd766957ec238b7c40ddbabb369e612dc9b07313)), refs [#10844](https://github.com/googleapis/google-cloud-go/issues/10844)
* **auth:** Replace MDS endpoint universe_domain with universe-domain ([#11000](https://github.com/googleapis/google-cloud-go/issues/11000)) ([6a1586f](https://github.com/googleapis/google-cloud-go/commit/6a1586f2ce9974684affaea84e7b629313b4d114))
## [0.9.8](https://github.com/googleapis/google-cloud-go/compare/auth/v0.9.7...auth/v0.9.8) (2024-10-09)
### Bug Fixes
* **auth:** Restore OpenTelemetry handling in transports ([#10968](https://github.com/googleapis/google-cloud-go/issues/10968)) ([08c6d04](https://github.com/googleapis/google-cloud-go/commit/08c6d04901c1a20e219b2d86df41dbaa6d7d7b55)), refs [#10962](https://github.com/googleapis/google-cloud-go/issues/10962)
* **auth:** Try talk to plaintext S2A if credentials can not be found for mTLS-S2A ([#10941](https://github.com/googleapis/google-cloud-go/issues/10941)) ([0f0bf2d](https://github.com/googleapis/google-cloud-go/commit/0f0bf2d18c97dd8b65bcf0099f0802b5631c6287))
## [0.9.7](https://github.com/googleapis/google-cloud-go/compare/auth/v0.9.6...auth/v0.9.7) (2024-10-01)
### Bug Fixes
* **auth:** Restore support for non-default service accounts for DirectPath ([#10937](https://github.com/googleapis/google-cloud-go/issues/10937)) ([a38650e](https://github.com/googleapis/google-cloud-go/commit/a38650edbf420223077498cafa537aec74b37aad)), refs [#10907](https://github.com/googleapis/google-cloud-go/issues/10907)
## [0.9.6](https://github.com/googleapis/google-cloud-go/compare/auth/v0.9.5...auth/v0.9.6) (2024-09-30)
### Bug Fixes
* **auth:** Make aws credentials provider retrieve fresh credentials ([#10920](https://github.com/googleapis/google-cloud-go/issues/10920)) ([250fbf8](https://github.com/googleapis/google-cloud-go/commit/250fbf87d858d865e399a241b7e537c4ff0c3dd8))
## [0.9.5](https://github.com/googleapis/google-cloud-go/compare/auth/v0.9.4...auth/v0.9.5) (2024-09-25)
### Bug Fixes
* **auth:** Restore support for GOOGLE_CLOUD_UNIVERSE_DOMAIN env ([#10915](https://github.com/googleapis/google-cloud-go/issues/10915)) ([94caaaa](https://github.com/googleapis/google-cloud-go/commit/94caaaa061362d0e00ef6214afcc8a0a3e7ebfb2))
* **auth:** Skip directpath credentials overwrite when it's not on GCE ([#10833](https://github.com/googleapis/google-cloud-go/issues/10833)) ([7e5e8d1](https://github.com/googleapis/google-cloud-go/commit/7e5e8d10b761b0a6e43e19a028528db361bc07b1))
* **auth:** Use new context for non-blocking token refresh ([#10919](https://github.com/googleapis/google-cloud-go/issues/10919)) ([cf7102d](https://github.com/googleapis/google-cloud-go/commit/cf7102d33a21be1e5a9d47a49456b3a57c43b350))
## [0.9.4](https://github.com/googleapis/google-cloud-go/compare/auth/v0.9.3...auth/v0.9.4) (2024-09-11)
### Bug Fixes
* **auth:** Enable self-signed JWT for non-GDU universe domain ([#10831](https://github.com/googleapis/google-cloud-go/issues/10831)) ([f9869f7](https://github.com/googleapis/google-cloud-go/commit/f9869f7903cfd34d1b97c25d0dc5669d2c5138e6))
## [0.9.3](https://github.com/googleapis/google-cloud-go/compare/auth/v0.9.2...auth/v0.9.3) (2024-09-03)
### Bug Fixes
* **auth:** Choose quota project envvar over file when both present ([#10807](https://github.com/googleapis/google-cloud-go/issues/10807)) ([2d8dd77](https://github.com/googleapis/google-cloud-go/commit/2d8dd7700eff92d4b95027be55e26e1e7aa79181)), refs [#10804](https://github.com/googleapis/google-cloud-go/issues/10804)
## [0.9.2](https://github.com/googleapis/google-cloud-go/compare/auth/v0.9.1...auth/v0.9.2) (2024-08-30)
### Bug Fixes
* **auth:** Handle non-Transport DefaultTransport ([#10733](https://github.com/googleapis/google-cloud-go/issues/10733)) ([98d91dc](https://github.com/googleapis/google-cloud-go/commit/98d91dc8316b247498fab41ab35e57a0446fe556)), refs [#10742](https://github.com/googleapis/google-cloud-go/issues/10742)
* **auth:** Make sure quota option takes precedence over env/file ([#10797](https://github.com/googleapis/google-cloud-go/issues/10797)) ([f1b050d](https://github.com/googleapis/google-cloud-go/commit/f1b050d56d804b245cab048c2980d32b0eaceb4e)), refs [#10795](https://github.com/googleapis/google-cloud-go/issues/10795)
### Documentation
* **auth:** Fix Go doc comment link ([#10751](https://github.com/googleapis/google-cloud-go/issues/10751)) ([015acfa](https://github.com/googleapis/google-cloud-go/commit/015acfab4d172650928bb1119bc2cd6307b9a437))
## [0.9.1](https://github.com/googleapis/google-cloud-go/compare/auth/v0.9.0...auth/v0.9.1) (2024-08-22)
### Bug Fixes
* **auth:** Setting expireEarly to default when the value is 0 ([#10732](https://github.com/googleapis/google-cloud-go/issues/10732)) ([5e67869](https://github.com/googleapis/google-cloud-go/commit/5e67869a31e9e8ecb4eeebd2cfa11a761c3b1948))
## [0.9.0](https://github.com/googleapis/google-cloud-go/compare/auth/v0.8.1...auth/v0.9.0) (2024-08-16)
### Features
* **auth:** Auth library can talk to S2A over mTLS ([#10634](https://github.com/googleapis/google-cloud-go/issues/10634)) ([5250a13](https://github.com/googleapis/google-cloud-go/commit/5250a13ec95b8d4eefbe0158f82857ff2189cb45))
## [0.8.1](https://github.com/googleapis/google-cloud-go/compare/auth/v0.8.0...auth/v0.8.1) (2024-08-13)
### Bug Fixes
* **auth:** Make default client creation more lenient ([#10669](https://github.com/googleapis/google-cloud-go/issues/10669)) ([1afb9ee](https://github.com/googleapis/google-cloud-go/commit/1afb9ee1ee9de9810722800018133304a0ca34d1)), refs [#10638](https://github.com/googleapis/google-cloud-go/issues/10638)
## [0.8.0](https://github.com/googleapis/google-cloud-go/compare/auth/v0.7.3...auth/v0.8.0) (2024-08-07)
### Features
* **auth:** Adds support for X509 workload identity federation ([#10373](https://github.com/googleapis/google-cloud-go/issues/10373)) ([5d07505](https://github.com/googleapis/google-cloud-go/commit/5d075056cbe27bb1da4072a26070c41f8999eb9b))
## [0.7.3](https://github.com/googleapis/google-cloud-go/compare/auth/v0.7.2...auth/v0.7.3) (2024-08-01)
### Bug Fixes
* **auth/oauth2adapt:** Update dependencies ([257c40b](https://github.com/googleapis/google-cloud-go/commit/257c40bd6d7e59730017cf32bda8823d7a232758))
* **auth:** Disable automatic universe domain check for MDS ([#10620](https://github.com/googleapis/google-cloud-go/issues/10620)) ([7cea5ed](https://github.com/googleapis/google-cloud-go/commit/7cea5edd5a0c1e6bca558696f5607879141910e8))
* **auth:** Update dependencies ([257c40b](https://github.com/googleapis/google-cloud-go/commit/257c40bd6d7e59730017cf32bda8823d7a232758))
## [0.7.2](https://github.com/googleapis/google-cloud-go/compare/auth/v0.7.1...auth/v0.7.2) (2024-07-22)
### Bug Fixes
* **auth:** Use default client for universe metadata lookup ([#10551](https://github.com/googleapis/google-cloud-go/issues/10551)) ([d9046fd](https://github.com/googleapis/google-cloud-go/commit/d9046fdd1435d1ce48f374806c1def4cb5ac6cd3)), refs [#10544](https://github.com/googleapis/google-cloud-go/issues/10544)
## [0.7.1](https://github.com/googleapis/google-cloud-go/compare/auth/v0.7.0...auth/v0.7.1) (2024-07-10)
### Bug Fixes
* **auth:** Bump google.golang.org/grpc@v1.64.1 ([8ecc4e9](https://github.com/googleapis/google-cloud-go/commit/8ecc4e9622e5bbe9b90384d5848ab816027226c5))
## [0.7.0](https://github.com/googleapis/google-cloud-go/compare/auth/v0.6.1...auth/v0.7.0) (2024-07-09)
### Features
* **auth:** Add workload X509 cert provider as a default cert provider ([#10479](https://github.com/googleapis/google-cloud-go/issues/10479)) ([c51ee6c](https://github.com/googleapis/google-cloud-go/commit/c51ee6cf65ce05b4d501083e49d468c75ac1ea63))
### Bug Fixes
* **auth/oauth2adapt:** Bump google.golang.org/api@v0.187.0 ([8fa9e39](https://github.com/googleapis/google-cloud-go/commit/8fa9e398e512fd8533fd49060371e61b5725a85b))
* **auth:** Bump google.golang.org/api@v0.187.0 ([8fa9e39](https://github.com/googleapis/google-cloud-go/commit/8fa9e398e512fd8533fd49060371e61b5725a85b))
* **auth:** Check len of slices, not non-nil ([#10483](https://github.com/googleapis/google-cloud-go/issues/10483)) ([0a966a1](https://github.com/googleapis/google-cloud-go/commit/0a966a183e5f0e811977216d736d875b7233e942))
## [0.6.1](https://github.com/googleapis/google-cloud-go/compare/auth/v0.6.0...auth/v0.6.1) (2024-07-01)
### Bug Fixes
* **auth:** Support gRPC API keys ([#10460](https://github.com/googleapis/google-cloud-go/issues/10460)) ([daa6646](https://github.com/googleapis/google-cloud-go/commit/daa6646d2af5d7fb5b30489f4934c7db89868c7c))
* **auth:** Update http and grpc transports to support token exchange over mTLS ([#10397](https://github.com/googleapis/google-cloud-go/issues/10397)) ([c6dfdcf](https://github.com/googleapis/google-cloud-go/commit/c6dfdcf893c3f971eba15026c12db0a960ae81f2))
## [0.6.0](https://github.com/googleapis/google-cloud-go/compare/auth/v0.5.2...auth/v0.6.0) (2024-06-25)
### Features
* **auth:** Add non-blocking token refresh for compute MDS ([#10263](https://github.com/googleapis/google-cloud-go/issues/10263)) ([9ac350d](https://github.com/googleapis/google-cloud-go/commit/9ac350da11a49b8e2174d3fc5b1a5070fec78b4e))
### Bug Fixes
* **auth:** Return error if envvar detected file returns an error ([#10431](https://github.com/googleapis/google-cloud-go/issues/10431)) ([e52b9a7](https://github.com/googleapis/google-cloud-go/commit/e52b9a7c45468827f5d220ab00965191faeb9d05))
## [0.5.2](https://github.com/googleapis/google-cloud-go/compare/auth/v0.5.1...auth/v0.5.2) (2024-06-24)
### Bug Fixes
* **auth:** Fetch initial token when CachedTokenProviderOptions.DisableAutoRefresh is true ([#10415](https://github.com/googleapis/google-cloud-go/issues/10415)) ([3266763](https://github.com/googleapis/google-cloud-go/commit/32667635ca2efad05cd8c087c004ca07d7406913)), refs [#10414](https://github.com/googleapis/google-cloud-go/issues/10414)
## [0.5.1](https://github.com/googleapis/google-cloud-go/compare/auth/v0.5.0...auth/v0.5.1) (2024-05-31)
### Bug Fixes
* **auth:** Pass through client to 2LO and 3LO flows ([#10290](https://github.com/googleapis/google-cloud-go/issues/10290)) ([685784e](https://github.com/googleapis/google-cloud-go/commit/685784ea84358c15e9214bdecb307d37aa3b6d2f))
## [0.5.0](https://github.com/googleapis/google-cloud-go/compare/auth/v0.4.2...auth/v0.5.0) (2024-05-28)
### Features
* **auth:** Adds X509 workload certificate provider ([#10233](https://github.com/googleapis/google-cloud-go/issues/10233)) ([17a9db7](https://github.com/googleapis/google-cloud-go/commit/17a9db73af35e3d1a7a25ac4fd1377a103de6150))
## [0.4.2](https://github.com/googleapis/google-cloud-go/compare/auth/v0.4.1...auth/v0.4.2) (2024-05-16)
### Bug Fixes
* **auth:** Enable client certificates by default only for GDU ([#10151](https://github.com/googleapis/google-cloud-go/issues/10151)) ([7c52978](https://github.com/googleapis/google-cloud-go/commit/7c529786275a39b7e00525f7d5e7be0d963e9e15))
* **auth:** Handle non-Transport DefaultTransport ([#10162](https://github.com/googleapis/google-cloud-go/issues/10162)) ([fa3bfdb](https://github.com/googleapis/google-cloud-go/commit/fa3bfdb23aaa45b34394a8b61e753b3587506782)), refs [#10159](https://github.com/googleapis/google-cloud-go/issues/10159)
* **auth:** Have refresh time match docs ([#10147](https://github.com/googleapis/google-cloud-go/issues/10147)) ([bcb5568](https://github.com/googleapis/google-cloud-go/commit/bcb5568c07a54dd3d2e869d15f502b0741a609e8))
* **auth:** Update compute token fetching error with named prefix ([#10180](https://github.com/googleapis/google-cloud-go/issues/10180)) ([4573504](https://github.com/googleapis/google-cloud-go/commit/4573504828d2928bebedc875d87650ba227829ea))
## [0.4.1](https://github.com/googleapis/google-cloud-go/compare/auth/v0.4.0...auth/v0.4.1) (2024-05-09)
### Bug Fixes
* **auth:** Don't try to detect default creds it opt configured ([#10143](https://github.com/googleapis/google-cloud-go/issues/10143)) ([804632e](https://github.com/googleapis/google-cloud-go/commit/804632e7c5b0b85ff522f7951114485e256eb5bc))
## [0.4.0](https://github.com/googleapis/google-cloud-go/compare/auth/v0.3.0...auth/v0.4.0) (2024-05-07)
### Features
* **auth:** Enable client certificates by default ([#10102](https://github.com/googleapis/google-cloud-go/issues/10102)) ([9013e52](https://github.com/googleapis/google-cloud-go/commit/9013e5200a6ec0f178ed91acb255481ffb073a2c))
### Bug Fixes
* **auth:** Get s2a logic up to date ([#10093](https://github.com/googleapis/google-cloud-go/issues/10093)) ([4fe9ae4](https://github.com/googleapis/google-cloud-go/commit/4fe9ae4b7101af2a5221d6d6b2e77b479305bb06))
## [0.3.0](https://github.com/googleapis/google-cloud-go/compare/auth/v0.2.2...auth/v0.3.0) (2024-04-23)
### Features
* **auth/httptransport:** Add ability to customize transport ([#10023](https://github.com/googleapis/google-cloud-go/issues/10023)) ([72c7f6b](https://github.com/googleapis/google-cloud-go/commit/72c7f6bbec3136cc7a62788fc7186bc33ef6c3b3)), refs [#9812](https://github.com/googleapis/google-cloud-go/issues/9812) [#9814](https://github.com/googleapis/google-cloud-go/issues/9814)
### Bug Fixes
* **auth/credentials:** Error on bad file name if explicitly set ([#10018](https://github.com/googleapis/google-cloud-go/issues/10018)) ([55beaa9](https://github.com/googleapis/google-cloud-go/commit/55beaa993aaf052d8be39766afc6777c3c2a0bdd)), refs [#9809](https://github.com/googleapis/google-cloud-go/issues/9809)
## [0.2.2](https://github.com/googleapis/google-cloud-go/compare/auth/v0.2.1...auth/v0.2.2) (2024-04-19)
### Bug Fixes
* **auth:** Add internal opt to skip validation on transports ([#9999](https://github.com/googleapis/google-cloud-go/issues/9999)) ([9e20ef8](https://github.com/googleapis/google-cloud-go/commit/9e20ef89f6287d6bd03b8697d5898dc43b4a77cf)), refs [#9823](https://github.com/googleapis/google-cloud-go/issues/9823)
* **auth:** Set secure flag for gRPC conn pools ([#10002](https://github.com/googleapis/google-cloud-go/issues/10002)) ([14e3956](https://github.com/googleapis/google-cloud-go/commit/14e3956dfd736399731b5ee8d9b178ae085cf7ba)), refs [#9833](https://github.com/googleapis/google-cloud-go/issues/9833)
## [0.2.1](https://github.com/googleapis/google-cloud-go/compare/auth/v0.2.0...auth/v0.2.1) (2024-04-18)
### Bug Fixes
* **auth:** Default gRPC token type to Bearer if not set ([#9800](https://github.com/googleapis/google-cloud-go/issues/9800)) ([5284066](https://github.com/googleapis/google-cloud-go/commit/5284066670b6fe65d79089cfe0199c9660f87fc7))
## [0.2.0](https://github.com/googleapis/google-cloud-go/compare/auth/v0.1.1...auth/v0.2.0) (2024-04-15)
### Breaking Changes
In the below mentioned commits there were a few large breaking changes since the
last release of the module.
1. The `Credentials` type has been moved to the root of the module as it is
becoming the core abstraction for the whole module.
2. Because of the above mentioned change many functions that previously
returned a `TokenProvider` now return `Credentials`. Similarly, these
functions have been renamed to be more specific.
3. Most places that used to take an optional `TokenProvider` now accept
`Credentials`. You can make a `Credentials` from a `TokenProvider` using the
constructor found in the `auth` package.
4. The `detect` package has been renamed to `credentials`. With this change some
function signatures were also updated for better readability.
5. Derivative auth flows like `impersonate` and `downscope` have been moved to
be under the new `credentials` package.
Although these changes are disruptive we think that they are for the best of the
long-term health of the module. We do not expect any more large breaking changes
like these in future revisions, even before 1.0.0. This version will be the
first version of the auth library that our client libraries start to use and
depend on.
### Features
* **auth/credentials/externalaccount:** Add default TokenURL ([#9700](https://github.com/googleapis/google-cloud-go/issues/9700)) ([81830e6](https://github.com/googleapis/google-cloud-go/commit/81830e6848ceefd055aa4d08f933d1154455a0f6))
* **auth:** Add downscope.Options.UniverseDomain ([#9634](https://github.com/googleapis/google-cloud-go/issues/9634)) ([52cf7d7](https://github.com/googleapis/google-cloud-go/commit/52cf7d780853594291c4e34302d618299d1f5a1d))
* **auth:** Add universe domain to grpctransport and httptransport ([#9663](https://github.com/googleapis/google-cloud-go/issues/9663)) ([67d353b](https://github.com/googleapis/google-cloud-go/commit/67d353beefe3b607c08c891876fbd95ab89e5fe3)), refs [#9670](https://github.com/googleapis/google-cloud-go/issues/9670)
* **auth:** Add UniverseDomain to DetectOptions ([#9536](https://github.com/googleapis/google-cloud-go/issues/9536)) ([3618d3f](https://github.com/googleapis/google-cloud-go/commit/3618d3f7061615c0e189f376c75abc201203b501))
* **auth:** Make package externalaccount public ([#9633](https://github.com/googleapis/google-cloud-go/issues/9633)) ([a0978d8](https://github.com/googleapis/google-cloud-go/commit/a0978d8e96968399940ebd7d092539772bf9caac))
* **auth:** Move credentials to base auth package ([#9590](https://github.com/googleapis/google-cloud-go/issues/9590)) ([1a04baf](https://github.com/googleapis/google-cloud-go/commit/1a04bafa83c27342b9308d785645e1e5423ea10d))
* **auth:** Refactor public sigs to use Credentials ([#9603](https://github.com/googleapis/google-cloud-go/issues/9603)) ([69cb240](https://github.com/googleapis/google-cloud-go/commit/69cb240c530b1f7173a9af2555c19e9a1beb56c5))
### Bug Fixes
* **auth/oauth2adapt:** Update protobuf dep to v1.33.0 ([30b038d](https://github.com/googleapis/google-cloud-go/commit/30b038d8cac0b8cd5dd4761c87f3f298760dd33a))
* **auth:** Fix uint32 conversion ([9221c7f](https://github.com/googleapis/google-cloud-go/commit/9221c7fa12cef9d5fb7ddc92f41f1d6204971c7b))
* **auth:** Port sts expires fix ([#9618](https://github.com/googleapis/google-cloud-go/issues/9618)) ([7bec97b](https://github.com/googleapis/google-cloud-go/commit/7bec97b2f51ed3ac4f9b88bf100d301da3f5d1bd))
* **auth:** Read universe_domain from all credentials files ([#9632](https://github.com/googleapis/google-cloud-go/issues/9632)) ([16efbb5](https://github.com/googleapis/google-cloud-go/commit/16efbb52e39ea4a319e5ee1e95c0e0305b6d9824))
* **auth:** Remove content-type header from idms get requests ([#9508](https://github.com/googleapis/google-cloud-go/issues/9508)) ([8589f41](https://github.com/googleapis/google-cloud-go/commit/8589f41599d265d7c3d46a3d86c9fab2329cbdd9))
* **auth:** Update protobuf dep to v1.33.0 ([30b038d](https://github.com/googleapis/google-cloud-go/commit/30b038d8cac0b8cd5dd4761c87f3f298760dd33a))
## [0.1.1](https://github.com/googleapis/google-cloud-go/compare/auth/v0.1.0...auth/v0.1.1) (2024-03-10)
### Bug Fixes
* **auth/impersonate:** Properly send default detect params ([#9529](https://github.com/googleapis/google-cloud-go/issues/9529)) ([5b6b8be](https://github.com/googleapis/google-cloud-go/commit/5b6b8bef577f82707e51f5cc5d258d5bdf90218f)), refs [#9136](https://github.com/googleapis/google-cloud-go/issues/9136)
* **auth:** Update grpc-go to v1.56.3 ([343cea8](https://github.com/googleapis/google-cloud-go/commit/343cea8c43b1e31ae21ad50ad31d3b0b60143f8c))
* **auth:** Update grpc-go to v1.59.0 ([81a97b0](https://github.com/googleapis/google-cloud-go/commit/81a97b06cb28b25432e4ece595c55a9857e960b7))
## 0.1.0 (2023-10-18)
### Features
* **auth:** Add base auth package ([#8465](https://github.com/googleapis/google-cloud-go/issues/8465)) ([6a45f26](https://github.com/googleapis/google-cloud-go/commit/6a45f26b809b64edae21f312c18d4205f96b180e))
* **auth:** Add cert support to httptransport ([#8569](https://github.com/googleapis/google-cloud-go/issues/8569)) ([37e3435](https://github.com/googleapis/google-cloud-go/commit/37e3435f8e98595eafab481bdfcb31a4c56fa993))
* **auth:** Add Credentials.UniverseDomain() ([#8654](https://github.com/googleapis/google-cloud-go/issues/8654)) ([af0aa1e](https://github.com/googleapis/google-cloud-go/commit/af0aa1ed8015bc8fe0dd87a7549ae029107cbdb8))
* **auth:** Add detect package ([#8491](https://github.com/googleapis/google-cloud-go/issues/8491)) ([d977419](https://github.com/googleapis/google-cloud-go/commit/d977419a3269f6acc193df77a2136a6eb4b4add7))
* **auth:** Add downscope package ([#8532](https://github.com/googleapis/google-cloud-go/issues/8532)) ([dda9bff](https://github.com/googleapis/google-cloud-go/commit/dda9bff8ec70e6d104901b4105d13dcaa4e2404c))
* **auth:** Add grpctransport package ([#8625](https://github.com/googleapis/google-cloud-go/issues/8625)) ([69a8347](https://github.com/googleapis/google-cloud-go/commit/69a83470bdcc7ed10c6c36d1abc3b7cfdb8a0ee5))
* **auth:** Add httptransport package ([#8567](https://github.com/googleapis/google-cloud-go/issues/8567)) ([6898597](https://github.com/googleapis/google-cloud-go/commit/6898597d2ea95d630fcd00fd15c58c75ea843bff))
* **auth:** Add idtoken package ([#8580](https://github.com/googleapis/google-cloud-go/issues/8580)) ([a79e693](https://github.com/googleapis/google-cloud-go/commit/a79e693e97e4e3e1c6742099af3dbc58866d88fe))
* **auth:** Add impersonate package ([#8578](https://github.com/googleapis/google-cloud-go/issues/8578)) ([e29ba0c](https://github.com/googleapis/google-cloud-go/commit/e29ba0cb7bd3888ab9e808087027dc5a32474c04))
* **auth:** Add support for external accounts in detect ([#8508](https://github.com/googleapis/google-cloud-go/issues/8508)) ([62210d5](https://github.com/googleapis/google-cloud-go/commit/62210d5d3e56e8e9f35db8e6ac0defec19582507))
* **auth:** Port external account changes ([#8697](https://github.com/googleapis/google-cloud-go/issues/8697)) ([5823db5](https://github.com/googleapis/google-cloud-go/commit/5823db5d633069999b58b9131a7f9cd77e82c899))
### Bug Fixes
* **auth/oauth2adapt:** Update golang.org/x/net to v0.17.0 ([174da47](https://github.com/googleapis/google-cloud-go/commit/174da47254fefb12921bbfc65b7829a453af6f5d))
* **auth:** Update golang.org/x/net to v0.17.0 ([174da47](https://github.com/googleapis/google-cloud-go/commit/174da47254fefb12921bbfc65b7829a453af6f5d))
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+40
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# Google Auth Library for Go
[![Go Reference](https://pkg.go.dev/badge/cloud.google.com/go/auth.svg)](https://pkg.go.dev/cloud.google.com/go/auth)
## Install
``` bash
go get cloud.google.com/go/auth@latest
```
## Usage
The most common way this library is used is transitively, by default, from any
of our Go client libraries.
### Notable use-cases
- To create a credential directly please see examples in the
[credentials](https://pkg.go.dev/cloud.google.com/go/auth/credentials)
package.
- To create a authenticated HTTP client please see examples in the
[httptransport](https://pkg.go.dev/cloud.google.com/go/auth/httptransport)
package.
- To create a authenticated gRPC connection please see examples in the
[grpctransport](https://pkg.go.dev/cloud.google.com/go/auth/grpctransport)
package.
- To create an ID token please see examples in the
[idtoken](https://pkg.go.dev/cloud.google.com/go/auth/credentials/idtoken)
package.
## Contributing
Contributions are welcome. Please, see the
[CONTRIBUTING](https://github.com/GoogleCloudPlatform/google-cloud-go/blob/main/CONTRIBUTING.md)
document for details.
Please note that this project is released with a Contributor Code of Conduct.
By participating in this project you agree to abide by its terms.
See [Contributor Code of Conduct](https://github.com/GoogleCloudPlatform/google-cloud-go/blob/main/CONTRIBUTING.md#contributor-code-of-conduct)
for more information.
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package auth provides utilities for managing Google Cloud credentials,
// including functionality for creating, caching, and refreshing OAuth2 tokens.
// It offers customizable options for different OAuth2 flows, such as 2-legged
// (2LO) and 3-legged (3LO) OAuth, along with support for PKCE and automatic
// token management.
package auth
import (
"context"
"encoding/json"
"errors"
"fmt"
"log/slog"
"net/http"
"net/url"
"strings"
"sync"
"time"
"cloud.google.com/go/auth/internal"
"cloud.google.com/go/auth/internal/jwt"
"github.com/googleapis/gax-go/v2/internallog"
)
const (
// Parameter keys for AuthCodeURL method to support PKCE.
codeChallengeKey = "code_challenge"
codeChallengeMethodKey = "code_challenge_method"
// Parameter key for Exchange method to support PKCE.
codeVerifierKey = "code_verifier"
// 3 minutes and 45 seconds before expiration. The shortest MDS cache is 4 minutes,
// so we give it 15 seconds to refresh it's cache before attempting to refresh a token.
defaultExpiryDelta = 225 * time.Second
universeDomainDefault = "googleapis.com"
)
// tokenState represents different states for a [Token].
type tokenState int
const (
// fresh indicates that the [Token] is valid. It is not expired or close to
// expired, or the token has no expiry.
fresh tokenState = iota
// stale indicates that the [Token] is close to expired, and should be
// refreshed. The token can be used normally.
stale
// invalid indicates that the [Token] is expired or invalid. The token
// cannot be used for a normal operation.
invalid
)
var (
defaultGrantType = "urn:ietf:params:oauth:grant-type:jwt-bearer"
defaultHeader = &jwt.Header{Algorithm: jwt.HeaderAlgRSA256, Type: jwt.HeaderType}
// for testing
timeNow = time.Now
)
// TokenProvider specifies an interface for anything that can return a token.
type TokenProvider interface {
// Token returns a Token or an error.
// The Token returned must be safe to use
// concurrently.
// The returned Token must not be modified.
// The context provided must be sent along to any requests that are made in
// the implementing code.
Token(context.Context) (*Token, error)
}
// Token holds the credential token used to authorized requests. All fields are
// considered read-only.
type Token struct {
// Value is the token used to authorize requests. It is usually an access
// token but may be other types of tokens such as ID tokens in some flows.
Value string
// Type is the type of token Value is. If uninitialized, it should be
// assumed to be a "Bearer" token.
Type string
// Expiry is the time the token is set to expire.
Expiry time.Time
// Metadata may include, but is not limited to, the body of the token
// response returned by the server.
Metadata map[string]interface{} // TODO(codyoss): maybe make a method to flatten metadata to avoid []string for url.Values
}
// IsValid reports that a [Token] is non-nil, has a [Token.Value], and has not
// expired. A token is considered expired if [Token.Expiry] has passed or will
// pass in the next 225 seconds.
func (t *Token) IsValid() bool {
return t.isValidWithEarlyExpiry(defaultExpiryDelta)
}
// MetadataString is a convenience method for accessing string values in the
// token's metadata. Returns an empty string if the metadata is nil or the value
// for the given key cannot be cast to a string.
func (t *Token) MetadataString(k string) string {
if t.Metadata == nil {
return ""
}
s, ok := t.Metadata[k].(string)
if !ok {
return ""
}
return s
}
func (t *Token) isValidWithEarlyExpiry(earlyExpiry time.Duration) bool {
if t.isEmpty() {
return false
}
if t.Expiry.IsZero() {
return true
}
return !t.Expiry.Round(0).Add(-earlyExpiry).Before(timeNow())
}
func (t *Token) isEmpty() bool {
return t == nil || t.Value == ""
}
// Credentials holds Google credentials, including
// [Application Default Credentials].
//
// [Application Default Credentials]: https://developers.google.com/accounts/docs/application-default-credentials
type Credentials struct {
json []byte
projectID CredentialsPropertyProvider
quotaProjectID CredentialsPropertyProvider
// universeDomain is the default service domain for a given Cloud universe.
universeDomain CredentialsPropertyProvider
TokenProvider
}
// JSON returns the bytes associated with the the file used to source
// credentials if one was used.
func (c *Credentials) JSON() []byte {
return c.json
}
// ProjectID returns the associated project ID from the underlying file or
// environment.
func (c *Credentials) ProjectID(ctx context.Context) (string, error) {
if c.projectID == nil {
return internal.GetProjectID(c.json, ""), nil
}
v, err := c.projectID.GetProperty(ctx)
if err != nil {
return "", err
}
return internal.GetProjectID(c.json, v), nil
}
// QuotaProjectID returns the associated quota project ID from the underlying
// file or environment.
func (c *Credentials) QuotaProjectID(ctx context.Context) (string, error) {
if c.quotaProjectID == nil {
return internal.GetQuotaProject(c.json, ""), nil
}
v, err := c.quotaProjectID.GetProperty(ctx)
if err != nil {
return "", err
}
return internal.GetQuotaProject(c.json, v), nil
}
// UniverseDomain returns the default service domain for a given Cloud universe.
// The default value is "googleapis.com".
func (c *Credentials) UniverseDomain(ctx context.Context) (string, error) {
if c.universeDomain == nil {
return universeDomainDefault, nil
}
v, err := c.universeDomain.GetProperty(ctx)
if err != nil {
return "", err
}
if v == "" {
return universeDomainDefault, nil
}
return v, err
}
// CredentialsPropertyProvider provides an implementation to fetch a property
// value for [Credentials].
type CredentialsPropertyProvider interface {
GetProperty(context.Context) (string, error)
}
// CredentialsPropertyFunc is a type adapter to allow the use of ordinary
// functions as a [CredentialsPropertyProvider].
type CredentialsPropertyFunc func(context.Context) (string, error)
// GetProperty loads the properly value provided the given context.
func (p CredentialsPropertyFunc) GetProperty(ctx context.Context) (string, error) {
return p(ctx)
}
// CredentialsOptions are used to configure [Credentials].
type CredentialsOptions struct {
// TokenProvider is a means of sourcing a token for the credentials. Required.
TokenProvider TokenProvider
// JSON is the raw contents of the credentials file if sourced from a file.
JSON []byte
// ProjectIDProvider resolves the project ID associated with the
// credentials.
ProjectIDProvider CredentialsPropertyProvider
// QuotaProjectIDProvider resolves the quota project ID associated with the
// credentials.
QuotaProjectIDProvider CredentialsPropertyProvider
// UniverseDomainProvider resolves the universe domain with the credentials.
UniverseDomainProvider CredentialsPropertyProvider
}
// NewCredentials returns new [Credentials] from the provided options.
func NewCredentials(opts *CredentialsOptions) *Credentials {
creds := &Credentials{
TokenProvider: opts.TokenProvider,
json: opts.JSON,
projectID: opts.ProjectIDProvider,
quotaProjectID: opts.QuotaProjectIDProvider,
universeDomain: opts.UniverseDomainProvider,
}
return creds
}
// CachedTokenProviderOptions provides options for configuring a cached
// [TokenProvider].
type CachedTokenProviderOptions struct {
// DisableAutoRefresh makes the TokenProvider always return the same token,
// even if it is expired. The default is false. Optional.
DisableAutoRefresh bool
// ExpireEarly configures the amount of time before a token expires, that it
// should be refreshed. If unset, the default value is 3 minutes and 45
// seconds. Optional.
ExpireEarly time.Duration
// DisableAsyncRefresh configures a synchronous workflow that refreshes
// tokens in a blocking manner. The default is false. Optional.
DisableAsyncRefresh bool
}
func (ctpo *CachedTokenProviderOptions) autoRefresh() bool {
if ctpo == nil {
return true
}
return !ctpo.DisableAutoRefresh
}
func (ctpo *CachedTokenProviderOptions) expireEarly() time.Duration {
if ctpo == nil || ctpo.ExpireEarly == 0 {
return defaultExpiryDelta
}
return ctpo.ExpireEarly
}
func (ctpo *CachedTokenProviderOptions) blockingRefresh() bool {
if ctpo == nil {
return false
}
return ctpo.DisableAsyncRefresh
}
// NewCachedTokenProvider wraps a [TokenProvider] to cache the tokens returned
// by the underlying provider. By default it will refresh tokens asynchronously
// a few minutes before they expire.
func NewCachedTokenProvider(tp TokenProvider, opts *CachedTokenProviderOptions) TokenProvider {
if ctp, ok := tp.(*cachedTokenProvider); ok {
return ctp
}
return &cachedTokenProvider{
tp: tp,
autoRefresh: opts.autoRefresh(),
expireEarly: opts.expireEarly(),
blockingRefresh: opts.blockingRefresh(),
}
}
type cachedTokenProvider struct {
tp TokenProvider
autoRefresh bool
expireEarly time.Duration
blockingRefresh bool
mu sync.Mutex
cachedToken *Token
// isRefreshRunning ensures that the non-blocking refresh will only be
// attempted once, even if multiple callers enter the Token method.
isRefreshRunning bool
// isRefreshErr ensures that the non-blocking refresh will only be attempted
// once per refresh window if an error is encountered.
isRefreshErr bool
}
func (c *cachedTokenProvider) Token(ctx context.Context) (*Token, error) {
if c.blockingRefresh {
return c.tokenBlocking(ctx)
}
return c.tokenNonBlocking(ctx)
}
func (c *cachedTokenProvider) tokenNonBlocking(ctx context.Context) (*Token, error) {
switch c.tokenState() {
case fresh:
c.mu.Lock()
defer c.mu.Unlock()
return c.cachedToken, nil
case stale:
// Call tokenAsync with a new Context because the user-provided context
// may have a short timeout incompatible with async token refresh.
c.tokenAsync(context.Background())
// Return the stale token immediately to not block customer requests to Cloud services.
c.mu.Lock()
defer c.mu.Unlock()
return c.cachedToken, nil
default: // invalid
return c.tokenBlocking(ctx)
}
}
// tokenState reports the token's validity.
func (c *cachedTokenProvider) tokenState() tokenState {
c.mu.Lock()
defer c.mu.Unlock()
t := c.cachedToken
now := timeNow()
if t == nil || t.Value == "" {
return invalid
} else if t.Expiry.IsZero() {
return fresh
} else if now.After(t.Expiry.Round(0)) {
return invalid
} else if now.After(t.Expiry.Round(0).Add(-c.expireEarly)) {
return stale
}
return fresh
}
// tokenAsync uses a bool to ensure that only one non-blocking token refresh
// happens at a time, even if multiple callers have entered this function
// concurrently. This avoids creating an arbitrary number of concurrent
// goroutines. Retries should be attempted and managed within the Token method.
// If the refresh attempt fails, no further attempts are made until the refresh
// window expires and the token enters the invalid state, at which point the
// blocking call to Token should likely return the same error on the main goroutine.
func (c *cachedTokenProvider) tokenAsync(ctx context.Context) {
fn := func() {
c.mu.Lock()
c.isRefreshRunning = true
c.mu.Unlock()
t, err := c.tp.Token(ctx)
c.mu.Lock()
defer c.mu.Unlock()
c.isRefreshRunning = false
if err != nil {
// Discard errors from the non-blocking refresh, but prevent further
// attempts.
c.isRefreshErr = true
return
}
c.cachedToken = t
}
c.mu.Lock()
defer c.mu.Unlock()
if !c.isRefreshRunning && !c.isRefreshErr {
go fn()
}
}
func (c *cachedTokenProvider) tokenBlocking(ctx context.Context) (*Token, error) {
c.mu.Lock()
defer c.mu.Unlock()
c.isRefreshErr = false
if c.cachedToken.IsValid() || (!c.autoRefresh && !c.cachedToken.isEmpty()) {
return c.cachedToken, nil
}
t, err := c.tp.Token(ctx)
if err != nil {
return nil, err
}
c.cachedToken = t
return t, nil
}
// Error is a error associated with retrieving a [Token]. It can hold useful
// additional details for debugging.
type Error struct {
// Response is the HTTP response associated with error. The body will always
// be already closed and consumed.
Response *http.Response
// Body is the HTTP response body.
Body []byte
// Err is the underlying wrapped error.
Err error
// code returned in the token response
code string
// description returned in the token response
description string
// uri returned in the token response
uri string
}
func (e *Error) Error() string {
if e.code != "" {
s := fmt.Sprintf("auth: %q", e.code)
if e.description != "" {
s += fmt.Sprintf(" %q", e.description)
}
if e.uri != "" {
s += fmt.Sprintf(" %q", e.uri)
}
return s
}
return fmt.Sprintf("auth: cannot fetch token: %v\nResponse: %s", e.Response.StatusCode, e.Body)
}
// Temporary returns true if the error is considered temporary and may be able
// to be retried.
func (e *Error) Temporary() bool {
if e.Response == nil {
return false
}
sc := e.Response.StatusCode
return sc == http.StatusInternalServerError || sc == http.StatusServiceUnavailable || sc == http.StatusRequestTimeout || sc == http.StatusTooManyRequests
}
func (e *Error) Unwrap() error {
return e.Err
}
// Style describes how the token endpoint wants to receive the ClientID and
// ClientSecret.
type Style int
const (
// StyleUnknown means the value has not been initiated. Sending this in
// a request will cause the token exchange to fail.
StyleUnknown Style = iota
// StyleInParams sends client info in the body of a POST request.
StyleInParams
// StyleInHeader sends client info using Basic Authorization header.
StyleInHeader
)
// Options2LO is the configuration settings for doing a 2-legged JWT OAuth2 flow.
type Options2LO struct {
// Email is the OAuth2 client ID. This value is set as the "iss" in the
// JWT.
Email string
// PrivateKey contains the contents of an RSA private key or the
// contents of a PEM file that contains a private key. It is used to sign
// the JWT created.
PrivateKey []byte
// TokenURL is th URL the JWT is sent to. Required.
TokenURL string
// PrivateKeyID is the ID of the key used to sign the JWT. It is used as the
// "kid" in the JWT header. Optional.
PrivateKeyID string
// Subject is the used for to impersonate a user. It is used as the "sub" in
// the JWT.m Optional.
Subject string
// Scopes specifies requested permissions for the token. Optional.
Scopes []string
// Expires specifies the lifetime of the token. Optional.
Expires time.Duration
// Audience specifies the "aud" in the JWT. Optional.
Audience string
// PrivateClaims allows specifying any custom claims for the JWT. Optional.
PrivateClaims map[string]interface{}
// Client is the client to be used to make the underlying token requests.
// Optional.
Client *http.Client
// UseIDToken requests that the token returned be an ID token if one is
// returned from the server. Optional.
UseIDToken bool
// Logger is used for debug logging. If provided, logging will be enabled
// at the loggers configured level. By default logging is disabled unless
// enabled by setting GOOGLE_SDK_GO_LOGGING_LEVEL in which case a default
// logger will be used. Optional.
Logger *slog.Logger
}
func (o *Options2LO) client() *http.Client {
if o.Client != nil {
return o.Client
}
return internal.DefaultClient()
}
func (o *Options2LO) validate() error {
if o == nil {
return errors.New("auth: options must be provided")
}
if o.Email == "" {
return errors.New("auth: email must be provided")
}
if len(o.PrivateKey) == 0 {
return errors.New("auth: private key must be provided")
}
if o.TokenURL == "" {
return errors.New("auth: token URL must be provided")
}
return nil
}
// New2LOTokenProvider returns a [TokenProvider] from the provided options.
func New2LOTokenProvider(opts *Options2LO) (TokenProvider, error) {
if err := opts.validate(); err != nil {
return nil, err
}
return tokenProvider2LO{opts: opts, Client: opts.client(), logger: internallog.New(opts.Logger)}, nil
}
type tokenProvider2LO struct {
opts *Options2LO
Client *http.Client
logger *slog.Logger
}
func (tp tokenProvider2LO) Token(ctx context.Context) (*Token, error) {
pk, err := internal.ParseKey(tp.opts.PrivateKey)
if err != nil {
return nil, err
}
claimSet := &jwt.Claims{
Iss: tp.opts.Email,
Scope: strings.Join(tp.opts.Scopes, " "),
Aud: tp.opts.TokenURL,
AdditionalClaims: tp.opts.PrivateClaims,
Sub: tp.opts.Subject,
}
if t := tp.opts.Expires; t > 0 {
claimSet.Exp = time.Now().Add(t).Unix()
}
if aud := tp.opts.Audience; aud != "" {
claimSet.Aud = aud
}
h := *defaultHeader
h.KeyID = tp.opts.PrivateKeyID
payload, err := jwt.EncodeJWS(&h, claimSet, pk)
if err != nil {
return nil, err
}
v := url.Values{}
v.Set("grant_type", defaultGrantType)
v.Set("assertion", payload)
req, err := http.NewRequestWithContext(ctx, "POST", tp.opts.TokenURL, strings.NewReader(v.Encode()))
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
tp.logger.DebugContext(ctx, "2LO token request", "request", internallog.HTTPRequest(req, []byte(v.Encode())))
resp, body, err := internal.DoRequest(tp.Client, req)
if err != nil {
return nil, fmt.Errorf("auth: cannot fetch token: %w", err)
}
tp.logger.DebugContext(ctx, "2LO token response", "response", internallog.HTTPResponse(resp, body))
if c := resp.StatusCode; c < http.StatusOK || c >= http.StatusMultipleChoices {
return nil, &Error{
Response: resp,
Body: body,
}
}
// tokenRes is the JSON response body.
var tokenRes struct {
AccessToken string `json:"access_token"`
TokenType string `json:"token_type"`
IDToken string `json:"id_token"`
ExpiresIn int64 `json:"expires_in"`
}
if err := json.Unmarshal(body, &tokenRes); err != nil {
return nil, fmt.Errorf("auth: cannot fetch token: %w", err)
}
token := &Token{
Value: tokenRes.AccessToken,
Type: tokenRes.TokenType,
}
token.Metadata = make(map[string]interface{})
json.Unmarshal(body, &token.Metadata) // no error checks for optional fields
if secs := tokenRes.ExpiresIn; secs > 0 {
token.Expiry = time.Now().Add(time.Duration(secs) * time.Second)
}
if v := tokenRes.IDToken; v != "" {
// decode returned id token to get expiry
claimSet, err := jwt.DecodeJWS(v)
if err != nil {
return nil, fmt.Errorf("auth: error decoding JWT token: %w", err)
}
token.Expiry = time.Unix(claimSet.Exp, 0)
}
if tp.opts.UseIDToken {
if tokenRes.IDToken == "" {
return nil, fmt.Errorf("auth: response doesn't have JWT token")
}
token.Value = tokenRes.IDToken
}
return token, nil
}
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package credentials
import (
"context"
"encoding/json"
"errors"
"fmt"
"net/url"
"strings"
"time"
"cloud.google.com/go/auth"
"cloud.google.com/go/compute/metadata"
)
var (
computeTokenMetadata = map[string]interface{}{
"auth.google.tokenSource": "compute-metadata",
"auth.google.serviceAccount": "default",
}
computeTokenURI = "instance/service-accounts/default/token"
)
// computeTokenProvider creates a [cloud.google.com/go/auth.TokenProvider] that
// uses the metadata service to retrieve tokens.
func computeTokenProvider(opts *DetectOptions, client *metadata.Client) auth.TokenProvider {
return auth.NewCachedTokenProvider(&computeProvider{
scopes: opts.Scopes,
client: client,
}, &auth.CachedTokenProviderOptions{
ExpireEarly: opts.EarlyTokenRefresh,
DisableAsyncRefresh: opts.DisableAsyncRefresh,
})
}
// computeProvider fetches tokens from the google cloud metadata service.
type computeProvider struct {
scopes []string
client *metadata.Client
}
type metadataTokenResp struct {
AccessToken string `json:"access_token"`
ExpiresInSec int `json:"expires_in"`
TokenType string `json:"token_type"`
}
func (cs *computeProvider) Token(ctx context.Context) (*auth.Token, error) {
tokenURI, err := url.Parse(computeTokenURI)
if err != nil {
return nil, err
}
if len(cs.scopes) > 0 {
v := url.Values{}
v.Set("scopes", strings.Join(cs.scopes, ","))
tokenURI.RawQuery = v.Encode()
}
tokenJSON, err := cs.client.GetWithContext(ctx, tokenURI.String())
if err != nil {
return nil, fmt.Errorf("credentials: cannot fetch token: %w", err)
}
var res metadataTokenResp
if err := json.NewDecoder(strings.NewReader(tokenJSON)).Decode(&res); err != nil {
return nil, fmt.Errorf("credentials: invalid token JSON from metadata: %w", err)
}
if res.ExpiresInSec == 0 || res.AccessToken == "" {
return nil, errors.New("credentials: incomplete token received from metadata")
}
return &auth.Token{
Value: res.AccessToken,
Type: res.TokenType,
Expiry: time.Now().Add(time.Duration(res.ExpiresInSec) * time.Second),
Metadata: computeTokenMetadata,
}, nil
}
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package credentials
import (
"context"
"encoding/json"
"errors"
"fmt"
"log/slog"
"net/http"
"os"
"time"
"cloud.google.com/go/auth"
"cloud.google.com/go/auth/internal"
"cloud.google.com/go/auth/internal/credsfile"
"cloud.google.com/go/compute/metadata"
"github.com/googleapis/gax-go/v2/internallog"
)
const (
// jwtTokenURL is Google's OAuth 2.0 token URL to use with the JWT(2LO) flow.
jwtTokenURL = "https://oauth2.googleapis.com/token"
// Google's OAuth 2.0 default endpoints.
googleAuthURL = "https://accounts.google.com/o/oauth2/auth"
googleTokenURL = "https://oauth2.googleapis.com/token"
// GoogleMTLSTokenURL is Google's default OAuth2.0 mTLS endpoint.
GoogleMTLSTokenURL = "https://oauth2.mtls.googleapis.com/token"
// Help on default credentials
adcSetupURL = "https://cloud.google.com/docs/authentication/external/set-up-adc"
)
var (
// for testing
allowOnGCECheck = true
)
// OnGCE reports whether this process is running in Google Cloud.
func OnGCE() bool {
// TODO(codyoss): once all libs use this auth lib move metadata check here
return allowOnGCECheck && metadata.OnGCE()
}
// DetectDefault searches for "Application Default Credentials" and returns
// a credential based on the [DetectOptions] provided.
//
// It looks for credentials in the following places, preferring the first
// location found:
//
// - A JSON file whose path is specified by the GOOGLE_APPLICATION_CREDENTIALS
// environment variable. For workload identity federation, refer to
// https://cloud.google.com/iam/docs/how-to#using-workload-identity-federation
// on how to generate the JSON configuration file for on-prem/non-Google
// cloud platforms.
// - A JSON file in a location known to the gcloud command-line tool. On
// Windows, this is %APPDATA%/gcloud/application_default_credentials.json. On
// other systems, $HOME/.config/gcloud/application_default_credentials.json.
// - On Google Compute Engine, Google App Engine standard second generation
// runtimes, and Google App Engine flexible environment, it fetches
// credentials from the metadata server.
func DetectDefault(opts *DetectOptions) (*auth.Credentials, error) {
if err := opts.validate(); err != nil {
return nil, err
}
if len(opts.CredentialsJSON) > 0 {
return readCredentialsFileJSON(opts.CredentialsJSON, opts)
}
if opts.CredentialsFile != "" {
return readCredentialsFile(opts.CredentialsFile, opts)
}
if filename := os.Getenv(credsfile.GoogleAppCredsEnvVar); filename != "" {
creds, err := readCredentialsFile(filename, opts)
if err != nil {
return nil, err
}
return creds, nil
}
fileName := credsfile.GetWellKnownFileName()
if b, err := os.ReadFile(fileName); err == nil {
return readCredentialsFileJSON(b, opts)
}
if OnGCE() {
metadataClient := metadata.NewWithOptions(&metadata.Options{
Logger: opts.logger(),
})
return auth.NewCredentials(&auth.CredentialsOptions{
TokenProvider: computeTokenProvider(opts, metadataClient),
ProjectIDProvider: auth.CredentialsPropertyFunc(func(ctx context.Context) (string, error) {
return metadataClient.ProjectIDWithContext(ctx)
}),
UniverseDomainProvider: &internal.ComputeUniverseDomainProvider{
MetadataClient: metadataClient,
},
}), nil
}
return nil, fmt.Errorf("credentials: could not find default credentials. See %v for more information", adcSetupURL)
}
// DetectOptions provides configuration for [DetectDefault].
type DetectOptions struct {
// Scopes that credentials tokens should have. Example:
// https://www.googleapis.com/auth/cloud-platform. Required if Audience is
// not provided.
Scopes []string
// Audience that credentials tokens should have. Only applicable for 2LO
// flows with service accounts. If specified, scopes should not be provided.
Audience string
// Subject is the user email used for [domain wide delegation](https://developers.google.com/identity/protocols/oauth2/service-account#delegatingauthority).
// Optional.
Subject string
// EarlyTokenRefresh configures how early before a token expires that it
// should be refreshed. Once the tokens time until expiration has entered
// this refresh window the token is considered valid but stale. If unset,
// the default value is 3 minutes and 45 seconds. Optional.
EarlyTokenRefresh time.Duration
// DisableAsyncRefresh configures a synchronous workflow that refreshes
// stale tokens while blocking. The default is false. Optional.
DisableAsyncRefresh bool
// AuthHandlerOptions configures an authorization handler and other options
// for 3LO flows. It is required, and only used, for client credential
// flows.
AuthHandlerOptions *auth.AuthorizationHandlerOptions
// TokenURL allows to set the token endpoint for user credential flows. If
// unset the default value is: https://oauth2.googleapis.com/token.
// Optional.
TokenURL string
// STSAudience is the audience sent to when retrieving an STS token.
// Currently this only used for GDCH auth flow, for which it is required.
STSAudience string
// CredentialsFile overrides detection logic and sources a credential file
// from the provided filepath. If provided, CredentialsJSON must not be.
// Optional.
CredentialsFile string
// CredentialsJSON overrides detection logic and uses the JSON bytes as the
// source for the credential. If provided, CredentialsFile must not be.
// Optional.
CredentialsJSON []byte
// UseSelfSignedJWT directs service account based credentials to create a
// self-signed JWT with the private key found in the file, skipping any
// network requests that would normally be made. Optional.
UseSelfSignedJWT bool
// Client configures the underlying client used to make network requests
// when fetching tokens. Optional.
Client *http.Client
// UniverseDomain is the default service domain for a given Cloud universe.
// The default value is "googleapis.com". This option is ignored for
// authentication flows that do not support universe domain. Optional.
UniverseDomain string
// Logger is used for debug logging. If provided, logging will be enabled
// at the loggers configured level. By default logging is disabled unless
// enabled by setting GOOGLE_SDK_GO_LOGGING_LEVEL in which case a default
// logger will be used. Optional.
Logger *slog.Logger
}
func (o *DetectOptions) validate() error {
if o == nil {
return errors.New("credentials: options must be provided")
}
if len(o.Scopes) > 0 && o.Audience != "" {
return errors.New("credentials: both scopes and audience were provided")
}
if len(o.CredentialsJSON) > 0 && o.CredentialsFile != "" {
return errors.New("credentials: both credentials file and JSON were provided")
}
return nil
}
func (o *DetectOptions) tokenURL() string {
if o.TokenURL != "" {
return o.TokenURL
}
return googleTokenURL
}
func (o *DetectOptions) scopes() []string {
scopes := make([]string, len(o.Scopes))
copy(scopes, o.Scopes)
return scopes
}
func (o *DetectOptions) client() *http.Client {
if o.Client != nil {
return o.Client
}
return internal.DefaultClient()
}
func (o *DetectOptions) logger() *slog.Logger {
return internallog.New(o.Logger)
}
func readCredentialsFile(filename string, opts *DetectOptions) (*auth.Credentials, error) {
b, err := os.ReadFile(filename)
if err != nil {
return nil, err
}
return readCredentialsFileJSON(b, opts)
}
func readCredentialsFileJSON(b []byte, opts *DetectOptions) (*auth.Credentials, error) {
// attempt to parse jsonData as a Google Developers Console client_credentials.json.
config := clientCredConfigFromJSON(b, opts)
if config != nil {
if config.AuthHandlerOpts == nil {
return nil, errors.New("credentials: auth handler must be specified for this credential filetype")
}
tp, err := auth.New3LOTokenProvider(config)
if err != nil {
return nil, err
}
return auth.NewCredentials(&auth.CredentialsOptions{
TokenProvider: tp,
JSON: b,
}), nil
}
return fileCredentials(b, opts)
}
func clientCredConfigFromJSON(b []byte, opts *DetectOptions) *auth.Options3LO {
var creds credsfile.ClientCredentialsFile
var c *credsfile.Config3LO
if err := json.Unmarshal(b, &creds); err != nil {
return nil
}
switch {
case creds.Web != nil:
c = creds.Web
case creds.Installed != nil:
c = creds.Installed
default:
return nil
}
if len(c.RedirectURIs) < 1 {
return nil
}
var handleOpts *auth.AuthorizationHandlerOptions
if opts.AuthHandlerOptions != nil {
handleOpts = &auth.AuthorizationHandlerOptions{
Handler: opts.AuthHandlerOptions.Handler,
State: opts.AuthHandlerOptions.State,
PKCEOpts: opts.AuthHandlerOptions.PKCEOpts,
}
}
return &auth.Options3LO{
ClientID: c.ClientID,
ClientSecret: c.ClientSecret,
RedirectURL: c.RedirectURIs[0],
Scopes: opts.scopes(),
AuthURL: c.AuthURI,
TokenURL: c.TokenURI,
Client: opts.client(),
Logger: opts.logger(),
EarlyTokenExpiry: opts.EarlyTokenRefresh,
AuthHandlerOpts: handleOpts,
// TODO(codyoss): refactor this out. We need to add in auto-detection
// for this use case.
AuthStyle: auth.StyleInParams,
}
}
+45
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package credentials provides support for making OAuth2 authorized and
// authenticated HTTP requests to Google APIs. It supports the Web server flow,
// client-side credentials, service accounts, Google Compute Engine service
// accounts, Google App Engine service accounts and workload identity federation
// from non-Google cloud platforms.
//
// A brief overview of the package follows. For more information, please read
// https://developers.google.com/accounts/docs/OAuth2
// and
// https://developers.google.com/accounts/docs/application-default-credentials.
// For more information on using workload identity federation, refer to
// https://cloud.google.com/iam/docs/how-to#using-workload-identity-federation.
//
// # Credentials
//
// The [cloud.google.com/go/auth.Credentials] type represents Google
// credentials, including Application Default Credentials.
//
// Use [DetectDefault] to obtain Application Default Credentials.
//
// Application Default Credentials support workload identity federation to
// access Google Cloud resources from non-Google Cloud platforms including Amazon
// Web Services (AWS), Microsoft Azure or any identity provider that supports
// OpenID Connect (OIDC). Workload identity federation is recommended for
// non-Google Cloud environments as it avoids the need to download, manage, and
// store service account private keys locally.
//
// # Workforce Identity Federation
//
// For more information on this feature see [cloud.google.com/go/auth/credentials/externalaccount].
package credentials
+231
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package credentials
import (
"errors"
"fmt"
"cloud.google.com/go/auth"
"cloud.google.com/go/auth/credentials/internal/externalaccount"
"cloud.google.com/go/auth/credentials/internal/externalaccountuser"
"cloud.google.com/go/auth/credentials/internal/gdch"
"cloud.google.com/go/auth/credentials/internal/impersonate"
internalauth "cloud.google.com/go/auth/internal"
"cloud.google.com/go/auth/internal/credsfile"
)
func fileCredentials(b []byte, opts *DetectOptions) (*auth.Credentials, error) {
fileType, err := credsfile.ParseFileType(b)
if err != nil {
return nil, err
}
var projectID, universeDomain string
var tp auth.TokenProvider
switch fileType {
case credsfile.ServiceAccountKey:
f, err := credsfile.ParseServiceAccount(b)
if err != nil {
return nil, err
}
tp, err = handleServiceAccount(f, opts)
if err != nil {
return nil, err
}
projectID = f.ProjectID
universeDomain = resolveUniverseDomain(opts.UniverseDomain, f.UniverseDomain)
case credsfile.UserCredentialsKey:
f, err := credsfile.ParseUserCredentials(b)
if err != nil {
return nil, err
}
tp, err = handleUserCredential(f, opts)
if err != nil {
return nil, err
}
universeDomain = f.UniverseDomain
case credsfile.ExternalAccountKey:
f, err := credsfile.ParseExternalAccount(b)
if err != nil {
return nil, err
}
tp, err = handleExternalAccount(f, opts)
if err != nil {
return nil, err
}
universeDomain = resolveUniverseDomain(opts.UniverseDomain, f.UniverseDomain)
case credsfile.ExternalAccountAuthorizedUserKey:
f, err := credsfile.ParseExternalAccountAuthorizedUser(b)
if err != nil {
return nil, err
}
tp, err = handleExternalAccountAuthorizedUser(f, opts)
if err != nil {
return nil, err
}
universeDomain = f.UniverseDomain
case credsfile.ImpersonatedServiceAccountKey:
f, err := credsfile.ParseImpersonatedServiceAccount(b)
if err != nil {
return nil, err
}
tp, err = handleImpersonatedServiceAccount(f, opts)
if err != nil {
return nil, err
}
universeDomain = resolveUniverseDomain(opts.UniverseDomain, f.UniverseDomain)
case credsfile.GDCHServiceAccountKey:
f, err := credsfile.ParseGDCHServiceAccount(b)
if err != nil {
return nil, err
}
tp, err = handleGDCHServiceAccount(f, opts)
if err != nil {
return nil, err
}
projectID = f.Project
universeDomain = f.UniverseDomain
default:
return nil, fmt.Errorf("credentials: unsupported filetype %q", fileType)
}
return auth.NewCredentials(&auth.CredentialsOptions{
TokenProvider: auth.NewCachedTokenProvider(tp, &auth.CachedTokenProviderOptions{
ExpireEarly: opts.EarlyTokenRefresh,
}),
JSON: b,
ProjectIDProvider: internalauth.StaticCredentialsProperty(projectID),
// TODO(codyoss): only set quota project here if there was a user override
UniverseDomainProvider: internalauth.StaticCredentialsProperty(universeDomain),
}), nil
}
// resolveUniverseDomain returns optsUniverseDomain if non-empty, in order to
// support configuring universe-specific credentials in code. Auth flows
// unsupported for universe domain should not use this func, but should instead
// simply set the file universe domain on the credentials.
func resolveUniverseDomain(optsUniverseDomain, fileUniverseDomain string) string {
if optsUniverseDomain != "" {
return optsUniverseDomain
}
return fileUniverseDomain
}
func handleServiceAccount(f *credsfile.ServiceAccountFile, opts *DetectOptions) (auth.TokenProvider, error) {
ud := resolveUniverseDomain(opts.UniverseDomain, f.UniverseDomain)
if opts.UseSelfSignedJWT {
return configureSelfSignedJWT(f, opts)
} else if ud != "" && ud != internalauth.DefaultUniverseDomain {
// For non-GDU universe domains, token exchange is impossible and services
// must support self-signed JWTs.
opts.UseSelfSignedJWT = true
return configureSelfSignedJWT(f, opts)
}
opts2LO := &auth.Options2LO{
Email: f.ClientEmail,
PrivateKey: []byte(f.PrivateKey),
PrivateKeyID: f.PrivateKeyID,
Scopes: opts.scopes(),
TokenURL: f.TokenURL,
Subject: opts.Subject,
Client: opts.client(),
Logger: opts.logger(),
}
if opts2LO.TokenURL == "" {
opts2LO.TokenURL = jwtTokenURL
}
return auth.New2LOTokenProvider(opts2LO)
}
func handleUserCredential(f *credsfile.UserCredentialsFile, opts *DetectOptions) (auth.TokenProvider, error) {
opts3LO := &auth.Options3LO{
ClientID: f.ClientID,
ClientSecret: f.ClientSecret,
Scopes: opts.scopes(),
AuthURL: googleAuthURL,
TokenURL: opts.tokenURL(),
AuthStyle: auth.StyleInParams,
EarlyTokenExpiry: opts.EarlyTokenRefresh,
RefreshToken: f.RefreshToken,
Client: opts.client(),
Logger: opts.logger(),
}
return auth.New3LOTokenProvider(opts3LO)
}
func handleExternalAccount(f *credsfile.ExternalAccountFile, opts *DetectOptions) (auth.TokenProvider, error) {
externalOpts := &externalaccount.Options{
Audience: f.Audience,
SubjectTokenType: f.SubjectTokenType,
TokenURL: f.TokenURL,
TokenInfoURL: f.TokenInfoURL,
ServiceAccountImpersonationURL: f.ServiceAccountImpersonationURL,
ClientSecret: f.ClientSecret,
ClientID: f.ClientID,
CredentialSource: f.CredentialSource,
QuotaProjectID: f.QuotaProjectID,
Scopes: opts.scopes(),
WorkforcePoolUserProject: f.WorkforcePoolUserProject,
Client: opts.client(),
Logger: opts.logger(),
IsDefaultClient: opts.Client == nil,
}
if f.ServiceAccountImpersonation != nil {
externalOpts.ServiceAccountImpersonationLifetimeSeconds = f.ServiceAccountImpersonation.TokenLifetimeSeconds
}
return externalaccount.NewTokenProvider(externalOpts)
}
func handleExternalAccountAuthorizedUser(f *credsfile.ExternalAccountAuthorizedUserFile, opts *DetectOptions) (auth.TokenProvider, error) {
externalOpts := &externalaccountuser.Options{
Audience: f.Audience,
RefreshToken: f.RefreshToken,
TokenURL: f.TokenURL,
TokenInfoURL: f.TokenInfoURL,
ClientID: f.ClientID,
ClientSecret: f.ClientSecret,
Scopes: opts.scopes(),
Client: opts.client(),
Logger: opts.logger(),
}
return externalaccountuser.NewTokenProvider(externalOpts)
}
func handleImpersonatedServiceAccount(f *credsfile.ImpersonatedServiceAccountFile, opts *DetectOptions) (auth.TokenProvider, error) {
if f.ServiceAccountImpersonationURL == "" || f.CredSource == nil {
return nil, errors.New("missing 'source_credentials' field or 'service_account_impersonation_url' in credentials")
}
tp, err := fileCredentials(f.CredSource, opts)
if err != nil {
return nil, err
}
return impersonate.NewTokenProvider(&impersonate.Options{
URL: f.ServiceAccountImpersonationURL,
Scopes: opts.scopes(),
Tp: tp,
Delegates: f.Delegates,
Client: opts.client(),
Logger: opts.logger(),
})
}
func handleGDCHServiceAccount(f *credsfile.GDCHServiceAccountFile, opts *DetectOptions) (auth.TokenProvider, error) {
return gdch.NewTokenProvider(f, &gdch.Options{
STSAudience: opts.STSAudience,
Client: opts.client(),
Logger: opts.logger(),
})
}
@@ -0,0 +1,531 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package externalaccount
import (
"bytes"
"context"
"crypto/hmac"
"crypto/sha256"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"log/slog"
"net/http"
"net/url"
"os"
"path"
"sort"
"strings"
"time"
"cloud.google.com/go/auth/internal"
"github.com/googleapis/gax-go/v2/internallog"
)
var (
// getenv aliases os.Getenv for testing
getenv = os.Getenv
)
const (
// AWS Signature Version 4 signing algorithm identifier.
awsAlgorithm = "AWS4-HMAC-SHA256"
// The termination string for the AWS credential scope value as defined in
// https://docs.aws.amazon.com/general/latest/gr/sigv4-create-string-to-sign.html
awsRequestType = "aws4_request"
// The AWS authorization header name for the security session token if available.
awsSecurityTokenHeader = "x-amz-security-token"
// The name of the header containing the session token for metadata endpoint calls
awsIMDSv2SessionTokenHeader = "X-aws-ec2-metadata-token"
awsIMDSv2SessionTTLHeader = "X-aws-ec2-metadata-token-ttl-seconds"
awsIMDSv2SessionTTL = "300"
// The AWS authorization header name for the auto-generated date.
awsDateHeader = "x-amz-date"
defaultRegionalCredentialVerificationURL = "https://sts.{region}.amazonaws.com?Action=GetCallerIdentity&Version=2011-06-15"
// Supported AWS configuration environment variables.
awsAccessKeyIDEnvVar = "AWS_ACCESS_KEY_ID"
awsDefaultRegionEnvVar = "AWS_DEFAULT_REGION"
awsRegionEnvVar = "AWS_REGION"
awsSecretAccessKeyEnvVar = "AWS_SECRET_ACCESS_KEY"
awsSessionTokenEnvVar = "AWS_SESSION_TOKEN"
awsTimeFormatLong = "20060102T150405Z"
awsTimeFormatShort = "20060102"
awsProviderType = "aws"
)
type awsSubjectProvider struct {
EnvironmentID string
RegionURL string
RegionalCredVerificationURL string
CredVerificationURL string
IMDSv2SessionTokenURL string
TargetResource string
requestSigner *awsRequestSigner
region string
securityCredentialsProvider AwsSecurityCredentialsProvider
reqOpts *RequestOptions
Client *http.Client
logger *slog.Logger
}
func (sp *awsSubjectProvider) subjectToken(ctx context.Context) (string, error) {
// Set Defaults
if sp.RegionalCredVerificationURL == "" {
sp.RegionalCredVerificationURL = defaultRegionalCredentialVerificationURL
}
headers := make(map[string]string)
if sp.shouldUseMetadataServer() {
awsSessionToken, err := sp.getAWSSessionToken(ctx)
if err != nil {
return "", err
}
if awsSessionToken != "" {
headers[awsIMDSv2SessionTokenHeader] = awsSessionToken
}
}
awsSecurityCredentials, err := sp.getSecurityCredentials(ctx, headers)
if err != nil {
return "", err
}
if sp.region, err = sp.getRegion(ctx, headers); err != nil {
return "", err
}
sp.requestSigner = &awsRequestSigner{
RegionName: sp.region,
AwsSecurityCredentials: awsSecurityCredentials,
}
// Generate the signed request to AWS STS GetCallerIdentity API.
// Use the required regional endpoint. Otherwise, the request will fail.
req, err := http.NewRequestWithContext(ctx, "POST", strings.Replace(sp.RegionalCredVerificationURL, "{region}", sp.region, 1), nil)
if err != nil {
return "", err
}
// The full, canonical resource name of the workload identity pool
// provider, with or without the HTTPS prefix.
// Including this header as part of the signature is recommended to
// ensure data integrity.
if sp.TargetResource != "" {
req.Header.Set("x-goog-cloud-target-resource", sp.TargetResource)
}
sp.requestSigner.signRequest(req)
/*
The GCP STS endpoint expects the headers to be formatted as:
# [
# {key: 'x-amz-date', value: '...'},
# {key: 'Authorization', value: '...'},
# ...
# ]
# And then serialized as:
# quote(json.dumps({
# url: '...',
# method: 'POST',
# headers: [{key: 'x-amz-date', value: '...'}, ...]
# }))
*/
awsSignedReq := awsRequest{
URL: req.URL.String(),
Method: "POST",
}
for headerKey, headerList := range req.Header {
for _, headerValue := range headerList {
awsSignedReq.Headers = append(awsSignedReq.Headers, awsRequestHeader{
Key: headerKey,
Value: headerValue,
})
}
}
sort.Slice(awsSignedReq.Headers, func(i, j int) bool {
headerCompare := strings.Compare(awsSignedReq.Headers[i].Key, awsSignedReq.Headers[j].Key)
if headerCompare == 0 {
return strings.Compare(awsSignedReq.Headers[i].Value, awsSignedReq.Headers[j].Value) < 0
}
return headerCompare < 0
})
result, err := json.Marshal(awsSignedReq)
if err != nil {
return "", err
}
return url.QueryEscape(string(result)), nil
}
func (sp *awsSubjectProvider) providerType() string {
if sp.securityCredentialsProvider != nil {
return programmaticProviderType
}
return awsProviderType
}
func (sp *awsSubjectProvider) getAWSSessionToken(ctx context.Context) (string, error) {
if sp.IMDSv2SessionTokenURL == "" {
return "", nil
}
req, err := http.NewRequestWithContext(ctx, "PUT", sp.IMDSv2SessionTokenURL, nil)
if err != nil {
return "", err
}
req.Header.Set(awsIMDSv2SessionTTLHeader, awsIMDSv2SessionTTL)
sp.logger.DebugContext(ctx, "aws session token request", "request", internallog.HTTPRequest(req, nil))
resp, body, err := internal.DoRequest(sp.Client, req)
if err != nil {
return "", err
}
sp.logger.DebugContext(ctx, "aws session token response", "response", internallog.HTTPResponse(resp, body))
if resp.StatusCode != http.StatusOK {
return "", fmt.Errorf("credentials: unable to retrieve AWS session token: %s", body)
}
return string(body), nil
}
func (sp *awsSubjectProvider) getRegion(ctx context.Context, headers map[string]string) (string, error) {
if sp.securityCredentialsProvider != nil {
return sp.securityCredentialsProvider.AwsRegion(ctx, sp.reqOpts)
}
if canRetrieveRegionFromEnvironment() {
if envAwsRegion := getenv(awsRegionEnvVar); envAwsRegion != "" {
return envAwsRegion, nil
}
return getenv(awsDefaultRegionEnvVar), nil
}
if sp.RegionURL == "" {
return "", errors.New("credentials: unable to determine AWS region")
}
req, err := http.NewRequestWithContext(ctx, "GET", sp.RegionURL, nil)
if err != nil {
return "", err
}
for name, value := range headers {
req.Header.Add(name, value)
}
sp.logger.DebugContext(ctx, "aws region request", "request", internallog.HTTPRequest(req, nil))
resp, body, err := internal.DoRequest(sp.Client, req)
if err != nil {
return "", err
}
sp.logger.DebugContext(ctx, "aws region response", "response", internallog.HTTPResponse(resp, body))
if resp.StatusCode != http.StatusOK {
return "", fmt.Errorf("credentials: unable to retrieve AWS region - %s", body)
}
// This endpoint will return the region in format: us-east-2b.
// Only the us-east-2 part should be used.
bodyLen := len(body)
if bodyLen == 0 {
return "", nil
}
return string(body[:bodyLen-1]), nil
}
func (sp *awsSubjectProvider) getSecurityCredentials(ctx context.Context, headers map[string]string) (result *AwsSecurityCredentials, err error) {
if sp.securityCredentialsProvider != nil {
return sp.securityCredentialsProvider.AwsSecurityCredentials(ctx, sp.reqOpts)
}
if canRetrieveSecurityCredentialFromEnvironment() {
return &AwsSecurityCredentials{
AccessKeyID: getenv(awsAccessKeyIDEnvVar),
SecretAccessKey: getenv(awsSecretAccessKeyEnvVar),
SessionToken: getenv(awsSessionTokenEnvVar),
}, nil
}
roleName, err := sp.getMetadataRoleName(ctx, headers)
if err != nil {
return
}
credentials, err := sp.getMetadataSecurityCredentials(ctx, roleName, headers)
if err != nil {
return
}
if credentials.AccessKeyID == "" {
return result, errors.New("credentials: missing AccessKeyId credential")
}
if credentials.SecretAccessKey == "" {
return result, errors.New("credentials: missing SecretAccessKey credential")
}
return credentials, nil
}
func (sp *awsSubjectProvider) getMetadataSecurityCredentials(ctx context.Context, roleName string, headers map[string]string) (*AwsSecurityCredentials, error) {
var result *AwsSecurityCredentials
req, err := http.NewRequestWithContext(ctx, "GET", fmt.Sprintf("%s/%s", sp.CredVerificationURL, roleName), nil)
if err != nil {
return result, err
}
for name, value := range headers {
req.Header.Add(name, value)
}
sp.logger.DebugContext(ctx, "aws security credential request", "request", internallog.HTTPRequest(req, nil))
resp, body, err := internal.DoRequest(sp.Client, req)
if err != nil {
return result, err
}
sp.logger.DebugContext(ctx, "aws security credential response", "response", internallog.HTTPResponse(resp, body))
if resp.StatusCode != http.StatusOK {
return result, fmt.Errorf("credentials: unable to retrieve AWS security credentials - %s", body)
}
if err := json.Unmarshal(body, &result); err != nil {
return nil, err
}
return result, nil
}
func (sp *awsSubjectProvider) getMetadataRoleName(ctx context.Context, headers map[string]string) (string, error) {
if sp.CredVerificationURL == "" {
return "", errors.New("credentials: unable to determine the AWS metadata server security credentials endpoint")
}
req, err := http.NewRequestWithContext(ctx, "GET", sp.CredVerificationURL, nil)
if err != nil {
return "", err
}
for name, value := range headers {
req.Header.Add(name, value)
}
sp.logger.DebugContext(ctx, "aws metadata role request", "request", internallog.HTTPRequest(req, nil))
resp, body, err := internal.DoRequest(sp.Client, req)
if err != nil {
return "", err
}
sp.logger.DebugContext(ctx, "aws metadata role response", "response", internallog.HTTPResponse(resp, body))
if resp.StatusCode != http.StatusOK {
return "", fmt.Errorf("credentials: unable to retrieve AWS role name - %s", body)
}
return string(body), nil
}
// awsRequestSigner is a utility class to sign http requests using a AWS V4 signature.
type awsRequestSigner struct {
RegionName string
AwsSecurityCredentials *AwsSecurityCredentials
}
// signRequest adds the appropriate headers to an http.Request
// or returns an error if something prevented this.
func (rs *awsRequestSigner) signRequest(req *http.Request) error {
// req is assumed non-nil
signedRequest := cloneRequest(req)
timestamp := Now()
signedRequest.Header.Set("host", requestHost(req))
if rs.AwsSecurityCredentials.SessionToken != "" {
signedRequest.Header.Set(awsSecurityTokenHeader, rs.AwsSecurityCredentials.SessionToken)
}
if signedRequest.Header.Get("date") == "" {
signedRequest.Header.Set(awsDateHeader, timestamp.Format(awsTimeFormatLong))
}
authorizationCode, err := rs.generateAuthentication(signedRequest, timestamp)
if err != nil {
return err
}
signedRequest.Header.Set("Authorization", authorizationCode)
req.Header = signedRequest.Header
return nil
}
func (rs *awsRequestSigner) generateAuthentication(req *http.Request, timestamp time.Time) (string, error) {
canonicalHeaderColumns, canonicalHeaderData := canonicalHeaders(req)
dateStamp := timestamp.Format(awsTimeFormatShort)
serviceName := ""
if splitHost := strings.Split(requestHost(req), "."); len(splitHost) > 0 {
serviceName = splitHost[0]
}
credentialScope := strings.Join([]string{dateStamp, rs.RegionName, serviceName, awsRequestType}, "/")
requestString, err := canonicalRequest(req, canonicalHeaderColumns, canonicalHeaderData)
if err != nil {
return "", err
}
requestHash, err := getSha256([]byte(requestString))
if err != nil {
return "", err
}
stringToSign := strings.Join([]string{awsAlgorithm, timestamp.Format(awsTimeFormatLong), credentialScope, requestHash}, "\n")
signingKey := []byte("AWS4" + rs.AwsSecurityCredentials.SecretAccessKey)
for _, signingInput := range []string{
dateStamp, rs.RegionName, serviceName, awsRequestType, stringToSign,
} {
signingKey, err = getHmacSha256(signingKey, []byte(signingInput))
if err != nil {
return "", err
}
}
return fmt.Sprintf("%s Credential=%s/%s, SignedHeaders=%s, Signature=%s", awsAlgorithm, rs.AwsSecurityCredentials.AccessKeyID, credentialScope, canonicalHeaderColumns, hex.EncodeToString(signingKey)), nil
}
func getSha256(input []byte) (string, error) {
hash := sha256.New()
if _, err := hash.Write(input); err != nil {
return "", err
}
return hex.EncodeToString(hash.Sum(nil)), nil
}
func getHmacSha256(key, input []byte) ([]byte, error) {
hash := hmac.New(sha256.New, key)
if _, err := hash.Write(input); err != nil {
return nil, err
}
return hash.Sum(nil), nil
}
func cloneRequest(r *http.Request) *http.Request {
r2 := new(http.Request)
*r2 = *r
if r.Header != nil {
r2.Header = make(http.Header, len(r.Header))
// Find total number of values.
headerCount := 0
for _, headerValues := range r.Header {
headerCount += len(headerValues)
}
copiedHeaders := make([]string, headerCount) // shared backing array for headers' values
for headerKey, headerValues := range r.Header {
headerCount = copy(copiedHeaders, headerValues)
r2.Header[headerKey] = copiedHeaders[:headerCount:headerCount]
copiedHeaders = copiedHeaders[headerCount:]
}
}
return r2
}
func canonicalPath(req *http.Request) string {
result := req.URL.EscapedPath()
if result == "" {
return "/"
}
return path.Clean(result)
}
func canonicalQuery(req *http.Request) string {
queryValues := req.URL.Query()
for queryKey := range queryValues {
sort.Strings(queryValues[queryKey])
}
return queryValues.Encode()
}
func canonicalHeaders(req *http.Request) (string, string) {
// Header keys need to be sorted alphabetically.
var headers []string
lowerCaseHeaders := make(http.Header)
for k, v := range req.Header {
k := strings.ToLower(k)
if _, ok := lowerCaseHeaders[k]; ok {
// include additional values
lowerCaseHeaders[k] = append(lowerCaseHeaders[k], v...)
} else {
headers = append(headers, k)
lowerCaseHeaders[k] = v
}
}
sort.Strings(headers)
var fullHeaders bytes.Buffer
for _, header := range headers {
headerValue := strings.Join(lowerCaseHeaders[header], ",")
fullHeaders.WriteString(header)
fullHeaders.WriteRune(':')
fullHeaders.WriteString(headerValue)
fullHeaders.WriteRune('\n')
}
return strings.Join(headers, ";"), fullHeaders.String()
}
func requestDataHash(req *http.Request) (string, error) {
var requestData []byte
if req.Body != nil {
requestBody, err := req.GetBody()
if err != nil {
return "", err
}
defer requestBody.Close()
requestData, err = internal.ReadAll(requestBody)
if err != nil {
return "", err
}
}
return getSha256(requestData)
}
func requestHost(req *http.Request) string {
if req.Host != "" {
return req.Host
}
return req.URL.Host
}
func canonicalRequest(req *http.Request, canonicalHeaderColumns, canonicalHeaderData string) (string, error) {
dataHash, err := requestDataHash(req)
if err != nil {
return "", err
}
return fmt.Sprintf("%s\n%s\n%s\n%s\n%s\n%s", req.Method, canonicalPath(req), canonicalQuery(req), canonicalHeaderData, canonicalHeaderColumns, dataHash), nil
}
type awsRequestHeader struct {
Key string `json:"key"`
Value string `json:"value"`
}
type awsRequest struct {
URL string `json:"url"`
Method string `json:"method"`
Headers []awsRequestHeader `json:"headers"`
}
// The AWS region can be provided through AWS_REGION or AWS_DEFAULT_REGION. Only one is
// required.
func canRetrieveRegionFromEnvironment() bool {
return getenv(awsRegionEnvVar) != "" || getenv(awsDefaultRegionEnvVar) != ""
}
// Check if both AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY are available.
func canRetrieveSecurityCredentialFromEnvironment() bool {
return getenv(awsAccessKeyIDEnvVar) != "" && getenv(awsSecretAccessKeyEnvVar) != ""
}
func (sp *awsSubjectProvider) shouldUseMetadataServer() bool {
return sp.securityCredentialsProvider == nil && (!canRetrieveRegionFromEnvironment() || !canRetrieveSecurityCredentialFromEnvironment())
}
@@ -0,0 +1,284 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package externalaccount
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"net/http"
"os"
"os/exec"
"regexp"
"strings"
"time"
"cloud.google.com/go/auth/internal"
)
const (
executableSupportedMaxVersion = 1
executableDefaultTimeout = 30 * time.Second
executableSource = "response"
executableProviderType = "executable"
outputFileSource = "output file"
allowExecutablesEnvVar = "GOOGLE_EXTERNAL_ACCOUNT_ALLOW_EXECUTABLES"
jwtTokenType = "urn:ietf:params:oauth:token-type:jwt"
idTokenType = "urn:ietf:params:oauth:token-type:id_token"
saml2TokenType = "urn:ietf:params:oauth:token-type:saml2"
)
var (
serviceAccountImpersonationRE = regexp.MustCompile(`https://iamcredentials..+/v1/projects/-/serviceAccounts/(.*@.*):generateAccessToken`)
)
type nonCacheableError struct {
message string
}
func (nce nonCacheableError) Error() string {
return nce.message
}
// environment is a contract for testing
type environment interface {
existingEnv() []string
getenv(string) string
run(ctx context.Context, command string, env []string) ([]byte, error)
now() time.Time
}
type runtimeEnvironment struct{}
func (r runtimeEnvironment) existingEnv() []string {
return os.Environ()
}
func (r runtimeEnvironment) getenv(key string) string {
return os.Getenv(key)
}
func (r runtimeEnvironment) now() time.Time {
return time.Now().UTC()
}
func (r runtimeEnvironment) run(ctx context.Context, command string, env []string) ([]byte, error) {
splitCommand := strings.Fields(command)
cmd := exec.CommandContext(ctx, splitCommand[0], splitCommand[1:]...)
cmd.Env = env
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
if err := cmd.Run(); err != nil {
if ctx.Err() == context.DeadlineExceeded {
return nil, context.DeadlineExceeded
}
if exitError, ok := err.(*exec.ExitError); ok {
return nil, exitCodeError(exitError)
}
return nil, executableError(err)
}
bytesStdout := bytes.TrimSpace(stdout.Bytes())
if len(bytesStdout) > 0 {
return bytesStdout, nil
}
return bytes.TrimSpace(stderr.Bytes()), nil
}
type executableSubjectProvider struct {
Command string
Timeout time.Duration
OutputFile string
client *http.Client
opts *Options
env environment
}
type executableResponse struct {
Version int `json:"version,omitempty"`
Success *bool `json:"success,omitempty"`
TokenType string `json:"token_type,omitempty"`
ExpirationTime int64 `json:"expiration_time,omitempty"`
IDToken string `json:"id_token,omitempty"`
SamlResponse string `json:"saml_response,omitempty"`
Code string `json:"code,omitempty"`
Message string `json:"message,omitempty"`
}
func (sp *executableSubjectProvider) parseSubjectTokenFromSource(response []byte, source string, now int64) (string, error) {
var result executableResponse
if err := json.Unmarshal(response, &result); err != nil {
return "", jsonParsingError(source, string(response))
}
// Validate
if result.Version == 0 {
return "", missingFieldError(source, "version")
}
if result.Success == nil {
return "", missingFieldError(source, "success")
}
if !*result.Success {
if result.Code == "" || result.Message == "" {
return "", malformedFailureError()
}
return "", userDefinedError(result.Code, result.Message)
}
if result.Version > executableSupportedMaxVersion || result.Version < 0 {
return "", unsupportedVersionError(source, result.Version)
}
if result.ExpirationTime == 0 && sp.OutputFile != "" {
return "", missingFieldError(source, "expiration_time")
}
if result.TokenType == "" {
return "", missingFieldError(source, "token_type")
}
if result.ExpirationTime != 0 && result.ExpirationTime < now {
return "", tokenExpiredError()
}
switch result.TokenType {
case jwtTokenType, idTokenType:
if result.IDToken == "" {
return "", missingFieldError(source, "id_token")
}
return result.IDToken, nil
case saml2TokenType:
if result.SamlResponse == "" {
return "", missingFieldError(source, "saml_response")
}
return result.SamlResponse, nil
default:
return "", tokenTypeError(source)
}
}
func (sp *executableSubjectProvider) subjectToken(ctx context.Context) (string, error) {
if token, err := sp.getTokenFromOutputFile(); token != "" || err != nil {
return token, err
}
return sp.getTokenFromExecutableCommand(ctx)
}
func (sp *executableSubjectProvider) providerType() string {
return executableProviderType
}
func (sp *executableSubjectProvider) getTokenFromOutputFile() (token string, err error) {
if sp.OutputFile == "" {
// This ExecutableCredentialSource doesn't use an OutputFile.
return "", nil
}
file, err := os.Open(sp.OutputFile)
if err != nil {
// No OutputFile found. Hasn't been created yet, so skip it.
return "", nil
}
defer file.Close()
data, err := internal.ReadAll(file)
if err != nil || len(data) == 0 {
// Cachefile exists, but no data found. Get new credential.
return "", nil
}
token, err = sp.parseSubjectTokenFromSource(data, outputFileSource, sp.env.now().Unix())
if err != nil {
if _, ok := err.(nonCacheableError); ok {
// If the cached token is expired we need a new token,
// and if the cache contains a failure, we need to try again.
return "", nil
}
// There was an error in the cached token, and the developer should be aware of it.
return "", err
}
// Token parsing succeeded. Use found token.
return token, nil
}
func (sp *executableSubjectProvider) executableEnvironment() []string {
result := sp.env.existingEnv()
result = append(result, fmt.Sprintf("GOOGLE_EXTERNAL_ACCOUNT_AUDIENCE=%v", sp.opts.Audience))
result = append(result, fmt.Sprintf("GOOGLE_EXTERNAL_ACCOUNT_TOKEN_TYPE=%v", sp.opts.SubjectTokenType))
result = append(result, "GOOGLE_EXTERNAL_ACCOUNT_INTERACTIVE=0")
if sp.opts.ServiceAccountImpersonationURL != "" {
matches := serviceAccountImpersonationRE.FindStringSubmatch(sp.opts.ServiceAccountImpersonationURL)
if matches != nil {
result = append(result, fmt.Sprintf("GOOGLE_EXTERNAL_ACCOUNT_IMPERSONATED_EMAIL=%v", matches[1]))
}
}
if sp.OutputFile != "" {
result = append(result, fmt.Sprintf("GOOGLE_EXTERNAL_ACCOUNT_OUTPUT_FILE=%v", sp.OutputFile))
}
return result
}
func (sp *executableSubjectProvider) getTokenFromExecutableCommand(ctx context.Context) (string, error) {
// For security reasons, we need our consumers to set this environment variable to allow executables to be run.
if sp.env.getenv(allowExecutablesEnvVar) != "1" {
return "", errors.New("credentials: executables need to be explicitly allowed (set GOOGLE_EXTERNAL_ACCOUNT_ALLOW_EXECUTABLES to '1') to run")
}
ctx, cancel := context.WithDeadline(ctx, sp.env.now().Add(sp.Timeout))
defer cancel()
output, err := sp.env.run(ctx, sp.Command, sp.executableEnvironment())
if err != nil {
return "", err
}
return sp.parseSubjectTokenFromSource(output, executableSource, sp.env.now().Unix())
}
func missingFieldError(source, field string) error {
return fmt.Errorf("credentials: %q missing %q field", source, field)
}
func jsonParsingError(source, data string) error {
return fmt.Errorf("credentials: unable to parse %q: %v", source, data)
}
func malformedFailureError() error {
return nonCacheableError{"credentials: response must include `error` and `message` fields when unsuccessful"}
}
func userDefinedError(code, message string) error {
return nonCacheableError{fmt.Sprintf("credentials: response contains unsuccessful response: (%v) %v", code, message)}
}
func unsupportedVersionError(source string, version int) error {
return fmt.Errorf("credentials: %v contains unsupported version: %v", source, version)
}
func tokenExpiredError() error {
return nonCacheableError{"credentials: the token returned by the executable is expired"}
}
func tokenTypeError(source string) error {
return fmt.Errorf("credentials: %v contains unsupported token type", source)
}
func exitCodeError(err *exec.ExitError) error {
return fmt.Errorf("credentials: executable command failed with exit code %v: %w", err.ExitCode(), err)
}
func executableError(err error) error {
return fmt.Errorf("credentials: executable command failed: %w", err)
}
@@ -0,0 +1,428 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package externalaccount
import (
"context"
"errors"
"fmt"
"log/slog"
"net/http"
"regexp"
"strconv"
"strings"
"time"
"cloud.google.com/go/auth"
"cloud.google.com/go/auth/credentials/internal/impersonate"
"cloud.google.com/go/auth/credentials/internal/stsexchange"
"cloud.google.com/go/auth/internal/credsfile"
"github.com/googleapis/gax-go/v2/internallog"
)
const (
timeoutMinimum = 5 * time.Second
timeoutMaximum = 120 * time.Second
universeDomainPlaceholder = "UNIVERSE_DOMAIN"
defaultTokenURL = "https://sts.UNIVERSE_DOMAIN/v1/token"
defaultUniverseDomain = "googleapis.com"
)
var (
// Now aliases time.Now for testing
Now = func() time.Time {
return time.Now().UTC()
}
validWorkforceAudiencePattern *regexp.Regexp = regexp.MustCompile(`//iam\.googleapis\.com/locations/[^/]+/workforcePools/`)
)
// Options stores the configuration for fetching tokens with external credentials.
type Options struct {
// Audience is the Secure Token Service (STS) audience which contains the resource name for the workload
// identity pool or the workforce pool and the provider identifier in that pool.
Audience string
// SubjectTokenType is the STS token type based on the Oauth2.0 token exchange spec
// e.g. `urn:ietf:params:oauth:token-type:jwt`.
SubjectTokenType string
// TokenURL is the STS token exchange endpoint.
TokenURL string
// TokenInfoURL is the token_info endpoint used to retrieve the account related information (
// user attributes like account identifier, eg. email, username, uid, etc). This is
// needed for gCloud session account identification.
TokenInfoURL string
// ServiceAccountImpersonationURL is the URL for the service account impersonation request. This is only
// required for workload identity pools when APIs to be accessed have not integrated with UberMint.
ServiceAccountImpersonationURL string
// ServiceAccountImpersonationLifetimeSeconds is the number of seconds the service account impersonation
// token will be valid for.
ServiceAccountImpersonationLifetimeSeconds int
// ClientSecret is currently only required if token_info endpoint also
// needs to be called with the generated GCP access token. When provided, STS will be
// called with additional basic authentication using client_id as username and client_secret as password.
ClientSecret string
// ClientID is only required in conjunction with ClientSecret, as described above.
ClientID string
// CredentialSource contains the necessary information to retrieve the token itself, as well
// as some environmental information.
CredentialSource *credsfile.CredentialSource
// QuotaProjectID is injected by gCloud. If the value is non-empty, the Auth libraries
// will set the x-goog-user-project which overrides the project associated with the credentials.
QuotaProjectID string
// Scopes contains the desired scopes for the returned access token.
Scopes []string
// WorkforcePoolUserProject should be set when it is a workforce pool and
// not a workload identity pool. The underlying principal must still have
// serviceusage.services.use IAM permission to use the project for
// billing/quota. Optional.
WorkforcePoolUserProject string
// UniverseDomain is the default service domain for a given Cloud universe.
// This value will be used in the default STS token URL. The default value
// is "googleapis.com". It will not be used if TokenURL is set. Optional.
UniverseDomain string
// SubjectTokenProvider is an optional token provider for OIDC/SAML
// credentials. One of SubjectTokenProvider, AWSSecurityCredentialProvider
// or CredentialSource must be provided. Optional.
SubjectTokenProvider SubjectTokenProvider
// AwsSecurityCredentialsProvider is an AWS Security Credential provider
// for AWS credentials. One of SubjectTokenProvider,
// AWSSecurityCredentialProvider or CredentialSource must be provided. Optional.
AwsSecurityCredentialsProvider AwsSecurityCredentialsProvider
// Client for token request.
Client *http.Client
// IsDefaultClient marks whether the client passed in is a default client that can be overriden.
// This is important for X509 credentials which should create a new client if the default was used
// but should respect a client explicitly passed in by the user.
IsDefaultClient bool
// Logger is used for debug logging. If provided, logging will be enabled
// at the loggers configured level. By default logging is disabled unless
// enabled by setting GOOGLE_SDK_GO_LOGGING_LEVEL in which case a default
// logger will be used. Optional.
Logger *slog.Logger
}
// SubjectTokenProvider can be used to supply a subject token to exchange for a
// GCP access token.
type SubjectTokenProvider interface {
// SubjectToken should return a valid subject token or an error.
// The external account token provider does not cache the returned subject
// token, so caching logic should be implemented in the provider to prevent
// multiple requests for the same subject token.
SubjectToken(ctx context.Context, opts *RequestOptions) (string, error)
}
// RequestOptions contains information about the requested subject token or AWS
// security credentials from the Google external account credential.
type RequestOptions struct {
// Audience is the requested audience for the external account credential.
Audience string
// Subject token type is the requested subject token type for the external
// account credential. Expected values include:
// “urn:ietf:params:oauth:token-type:jwt”
// “urn:ietf:params:oauth:token-type:id-token”
// “urn:ietf:params:oauth:token-type:saml2”
// “urn:ietf:params:aws:token-type:aws4_request”
SubjectTokenType string
}
// AwsSecurityCredentialsProvider can be used to supply AwsSecurityCredentials
// and an AWS Region to exchange for a GCP access token.
type AwsSecurityCredentialsProvider interface {
// AwsRegion should return the AWS region or an error.
AwsRegion(ctx context.Context, opts *RequestOptions) (string, error)
// GetAwsSecurityCredentials should return a valid set of
// AwsSecurityCredentials or an error. The external account token provider
// does not cache the returned security credentials, so caching logic should
// be implemented in the provider to prevent multiple requests for the
// same security credentials.
AwsSecurityCredentials(ctx context.Context, opts *RequestOptions) (*AwsSecurityCredentials, error)
}
// AwsSecurityCredentials models AWS security credentials.
type AwsSecurityCredentials struct {
// AccessKeyId is the AWS Access Key ID - Required.
AccessKeyID string `json:"AccessKeyID"`
// SecretAccessKey is the AWS Secret Access Key - Required.
SecretAccessKey string `json:"SecretAccessKey"`
// SessionToken is the AWS Session token. This should be provided for
// temporary AWS security credentials - Optional.
SessionToken string `json:"Token"`
}
func (o *Options) validate() error {
if o.Audience == "" {
return fmt.Errorf("externalaccount: Audience must be set")
}
if o.SubjectTokenType == "" {
return fmt.Errorf("externalaccount: Subject token type must be set")
}
if o.WorkforcePoolUserProject != "" {
if valid := validWorkforceAudiencePattern.MatchString(o.Audience); !valid {
return fmt.Errorf("externalaccount: workforce_pool_user_project should not be set for non-workforce pool credentials")
}
}
count := 0
if o.CredentialSource != nil {
count++
}
if o.SubjectTokenProvider != nil {
count++
}
if o.AwsSecurityCredentialsProvider != nil {
count++
}
if count == 0 {
return fmt.Errorf("externalaccount: one of CredentialSource, SubjectTokenProvider, or AwsSecurityCredentialsProvider must be set")
}
if count > 1 {
return fmt.Errorf("externalaccount: only one of CredentialSource, SubjectTokenProvider, or AwsSecurityCredentialsProvider must be set")
}
return nil
}
// client returns the http client that should be used for the token exchange. If a non-default client
// is provided, then the client configured in the options will always be returned. If a default client
// is provided and the options are configured for X509 credentials, a new client will be created.
func (o *Options) client() (*http.Client, error) {
// If a client was provided and no override certificate config location was provided, use the provided client.
if o.CredentialSource == nil || o.CredentialSource.Certificate == nil || (!o.IsDefaultClient && o.CredentialSource.Certificate.CertificateConfigLocation == "") {
return o.Client, nil
}
// If a new client should be created, validate and use the certificate source to create a new mTLS client.
cert := o.CredentialSource.Certificate
if !cert.UseDefaultCertificateConfig && cert.CertificateConfigLocation == "" {
return nil, errors.New("credentials: \"certificate\" object must either specify a certificate_config_location or use_default_certificate_config should be true")
}
if cert.UseDefaultCertificateConfig && cert.CertificateConfigLocation != "" {
return nil, errors.New("credentials: \"certificate\" object cannot specify both a certificate_config_location and use_default_certificate_config=true")
}
return createX509Client(cert.CertificateConfigLocation)
}
// resolveTokenURL sets the default STS token endpoint with the configured
// universe domain.
func (o *Options) resolveTokenURL() {
if o.TokenURL != "" {
return
} else if o.UniverseDomain != "" {
o.TokenURL = strings.Replace(defaultTokenURL, universeDomainPlaceholder, o.UniverseDomain, 1)
} else {
o.TokenURL = strings.Replace(defaultTokenURL, universeDomainPlaceholder, defaultUniverseDomain, 1)
}
}
// NewTokenProvider returns a [cloud.google.com/go/auth.TokenProvider]
// configured with the provided options.
func NewTokenProvider(opts *Options) (auth.TokenProvider, error) {
if err := opts.validate(); err != nil {
return nil, err
}
opts.resolveTokenURL()
logger := internallog.New(opts.Logger)
stp, err := newSubjectTokenProvider(opts)
if err != nil {
return nil, err
}
client, err := opts.client()
if err != nil {
return nil, err
}
tp := &tokenProvider{
client: client,
opts: opts,
stp: stp,
logger: logger,
}
if opts.ServiceAccountImpersonationURL == "" {
return auth.NewCachedTokenProvider(tp, nil), nil
}
scopes := make([]string, len(opts.Scopes))
copy(scopes, opts.Scopes)
// needed for impersonation
tp.opts.Scopes = []string{"https://www.googleapis.com/auth/cloud-platform"}
imp, err := impersonate.NewTokenProvider(&impersonate.Options{
Client: client,
URL: opts.ServiceAccountImpersonationURL,
Scopes: scopes,
Tp: auth.NewCachedTokenProvider(tp, nil),
TokenLifetimeSeconds: opts.ServiceAccountImpersonationLifetimeSeconds,
Logger: logger,
})
if err != nil {
return nil, err
}
return auth.NewCachedTokenProvider(imp, nil), nil
}
type subjectTokenProvider interface {
subjectToken(ctx context.Context) (string, error)
providerType() string
}
// tokenProvider is the provider that handles external credentials. It is used to retrieve Tokens.
type tokenProvider struct {
client *http.Client
logger *slog.Logger
opts *Options
stp subjectTokenProvider
}
func (tp *tokenProvider) Token(ctx context.Context) (*auth.Token, error) {
subjectToken, err := tp.stp.subjectToken(ctx)
if err != nil {
return nil, err
}
stsRequest := &stsexchange.TokenRequest{
GrantType: stsexchange.GrantType,
Audience: tp.opts.Audience,
Scope: tp.opts.Scopes,
RequestedTokenType: stsexchange.TokenType,
SubjectToken: subjectToken,
SubjectTokenType: tp.opts.SubjectTokenType,
}
header := make(http.Header)
header.Set("Content-Type", "application/x-www-form-urlencoded")
header.Add("x-goog-api-client", getGoogHeaderValue(tp.opts, tp.stp))
clientAuth := stsexchange.ClientAuthentication{
AuthStyle: auth.StyleInHeader,
ClientID: tp.opts.ClientID,
ClientSecret: tp.opts.ClientSecret,
}
var options map[string]interface{}
// Do not pass workforce_pool_user_project when client authentication is used.
// The client ID is sufficient for determining the user project.
if tp.opts.WorkforcePoolUserProject != "" && tp.opts.ClientID == "" {
options = map[string]interface{}{
"userProject": tp.opts.WorkforcePoolUserProject,
}
}
stsResp, err := stsexchange.ExchangeToken(ctx, &stsexchange.Options{
Client: tp.client,
Endpoint: tp.opts.TokenURL,
Request: stsRequest,
Authentication: clientAuth,
Headers: header,
ExtraOpts: options,
Logger: tp.logger,
})
if err != nil {
return nil, err
}
tok := &auth.Token{
Value: stsResp.AccessToken,
Type: stsResp.TokenType,
}
// The RFC8693 doesn't define the explicit 0 of "expires_in" field behavior.
if stsResp.ExpiresIn <= 0 {
return nil, fmt.Errorf("credentials: got invalid expiry from security token service")
}
tok.Expiry = Now().Add(time.Duration(stsResp.ExpiresIn) * time.Second)
return tok, nil
}
// newSubjectTokenProvider determines the type of credsfile.CredentialSource needed to create a
// subjectTokenProvider
func newSubjectTokenProvider(o *Options) (subjectTokenProvider, error) {
logger := internallog.New(o.Logger)
reqOpts := &RequestOptions{Audience: o.Audience, SubjectTokenType: o.SubjectTokenType}
if o.AwsSecurityCredentialsProvider != nil {
return &awsSubjectProvider{
securityCredentialsProvider: o.AwsSecurityCredentialsProvider,
TargetResource: o.Audience,
reqOpts: reqOpts,
logger: logger,
}, nil
} else if o.SubjectTokenProvider != nil {
return &programmaticProvider{stp: o.SubjectTokenProvider, opts: reqOpts}, nil
} else if len(o.CredentialSource.EnvironmentID) > 3 && o.CredentialSource.EnvironmentID[:3] == "aws" {
if awsVersion, err := strconv.Atoi(o.CredentialSource.EnvironmentID[3:]); err == nil {
if awsVersion != 1 {
return nil, fmt.Errorf("credentials: aws version '%d' is not supported in the current build", awsVersion)
}
awsProvider := &awsSubjectProvider{
EnvironmentID: o.CredentialSource.EnvironmentID,
RegionURL: o.CredentialSource.RegionURL,
RegionalCredVerificationURL: o.CredentialSource.RegionalCredVerificationURL,
CredVerificationURL: o.CredentialSource.URL,
TargetResource: o.Audience,
Client: o.Client,
logger: logger,
}
if o.CredentialSource.IMDSv2SessionTokenURL != "" {
awsProvider.IMDSv2SessionTokenURL = o.CredentialSource.IMDSv2SessionTokenURL
}
return awsProvider, nil
}
} else if o.CredentialSource.File != "" {
return &fileSubjectProvider{File: o.CredentialSource.File, Format: o.CredentialSource.Format}, nil
} else if o.CredentialSource.URL != "" {
return &urlSubjectProvider{
URL: o.CredentialSource.URL,
Headers: o.CredentialSource.Headers,
Format: o.CredentialSource.Format,
Client: o.Client,
Logger: logger,
}, nil
} else if o.CredentialSource.Executable != nil {
ec := o.CredentialSource.Executable
if ec.Command == "" {
return nil, errors.New("credentials: missing `command` field — executable command must be provided")
}
execProvider := &executableSubjectProvider{}
execProvider.Command = ec.Command
if ec.TimeoutMillis == 0 {
execProvider.Timeout = executableDefaultTimeout
} else {
execProvider.Timeout = time.Duration(ec.TimeoutMillis) * time.Millisecond
if execProvider.Timeout < timeoutMinimum || execProvider.Timeout > timeoutMaximum {
return nil, fmt.Errorf("credentials: invalid `timeout_millis` field — executable timeout must be between %v and %v seconds", timeoutMinimum.Seconds(), timeoutMaximum.Seconds())
}
}
execProvider.OutputFile = ec.OutputFile
execProvider.client = o.Client
execProvider.opts = o
execProvider.env = runtimeEnvironment{}
return execProvider, nil
} else if o.CredentialSource.Certificate != nil {
cert := o.CredentialSource.Certificate
if !cert.UseDefaultCertificateConfig && cert.CertificateConfigLocation == "" {
return nil, errors.New("credentials: \"certificate\" object must either specify a certificate_config_location or use_default_certificate_config should be true")
}
if cert.UseDefaultCertificateConfig && cert.CertificateConfigLocation != "" {
return nil, errors.New("credentials: \"certificate\" object cannot specify both a certificate_config_location and use_default_certificate_config=true")
}
return &x509Provider{}, nil
}
return nil, errors.New("credentials: unable to parse credential source")
}
func getGoogHeaderValue(conf *Options, p subjectTokenProvider) string {
return fmt.Sprintf("gl-go/%s auth/%s google-byoid-sdk source/%s sa-impersonation/%t config-lifetime/%t",
goVersion(),
"unknown",
p.providerType(),
conf.ServiceAccountImpersonationURL != "",
conf.ServiceAccountImpersonationLifetimeSeconds != 0)
}
@@ -0,0 +1,78 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package externalaccount
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"os"
"cloud.google.com/go/auth/internal"
"cloud.google.com/go/auth/internal/credsfile"
)
const (
fileProviderType = "file"
)
type fileSubjectProvider struct {
File string
Format *credsfile.Format
}
func (sp *fileSubjectProvider) subjectToken(context.Context) (string, error) {
tokenFile, err := os.Open(sp.File)
if err != nil {
return "", fmt.Errorf("credentials: failed to open credential file %q: %w", sp.File, err)
}
defer tokenFile.Close()
tokenBytes, err := internal.ReadAll(tokenFile)
if err != nil {
return "", fmt.Errorf("credentials: failed to read credential file: %w", err)
}
tokenBytes = bytes.TrimSpace(tokenBytes)
if sp.Format == nil {
return string(tokenBytes), nil
}
switch sp.Format.Type {
case fileTypeJSON:
jsonData := make(map[string]interface{})
err = json.Unmarshal(tokenBytes, &jsonData)
if err != nil {
return "", fmt.Errorf("credentials: failed to unmarshal subject token file: %w", err)
}
val, ok := jsonData[sp.Format.SubjectTokenFieldName]
if !ok {
return "", errors.New("credentials: provided subject_token_field_name not found in credentials")
}
token, ok := val.(string)
if !ok {
return "", errors.New("credentials: improperly formatted subject token")
}
return token, nil
case fileTypeText:
return string(tokenBytes), nil
default:
return "", errors.New("credentials: invalid credential_source file format type: " + sp.Format.Type)
}
}
func (sp *fileSubjectProvider) providerType() string {
return fileProviderType
}
@@ -0,0 +1,74 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package externalaccount
import (
"runtime"
"strings"
"unicode"
)
var (
// version is a package internal global variable for testing purposes.
version = runtime.Version
)
// versionUnknown is only used when the runtime version cannot be determined.
const versionUnknown = "UNKNOWN"
// goVersion returns a Go runtime version derived from the runtime environment
// that is modified to be suitable for reporting in a header, meaning it has no
// whitespace. If it is unable to determine the Go runtime version, it returns
// versionUnknown.
func goVersion() string {
const develPrefix = "devel +"
s := version()
if strings.HasPrefix(s, develPrefix) {
s = s[len(develPrefix):]
if p := strings.IndexFunc(s, unicode.IsSpace); p >= 0 {
s = s[:p]
}
return s
} else if p := strings.IndexFunc(s, unicode.IsSpace); p >= 0 {
s = s[:p]
}
notSemverRune := func(r rune) bool {
return !strings.ContainsRune("0123456789.", r)
}
if strings.HasPrefix(s, "go1") {
s = s[2:]
var prerelease string
if p := strings.IndexFunc(s, notSemverRune); p >= 0 {
s, prerelease = s[:p], s[p:]
}
if strings.HasSuffix(s, ".") {
s += "0"
} else if strings.Count(s, ".") < 2 {
s += ".0"
}
if prerelease != "" {
// Some release candidates already have a dash in them.
if !strings.HasPrefix(prerelease, "-") {
prerelease = "-" + prerelease
}
s += prerelease
}
return s
}
return versionUnknown
}
@@ -0,0 +1,30 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package externalaccount
import "context"
type programmaticProvider struct {
opts *RequestOptions
stp SubjectTokenProvider
}
func (pp *programmaticProvider) providerType() string {
return programmaticProviderType
}
func (pp *programmaticProvider) subjectToken(ctx context.Context) (string, error) {
return pp.stp.SubjectToken(ctx, pp.opts)
}
@@ -0,0 +1,93 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package externalaccount
import (
"context"
"encoding/json"
"errors"
"fmt"
"log/slog"
"net/http"
"cloud.google.com/go/auth/internal"
"cloud.google.com/go/auth/internal/credsfile"
"github.com/googleapis/gax-go/v2/internallog"
)
const (
fileTypeText = "text"
fileTypeJSON = "json"
urlProviderType = "url"
programmaticProviderType = "programmatic"
x509ProviderType = "x509"
)
type urlSubjectProvider struct {
URL string
Headers map[string]string
Format *credsfile.Format
Client *http.Client
Logger *slog.Logger
}
func (sp *urlSubjectProvider) subjectToken(ctx context.Context) (string, error) {
req, err := http.NewRequestWithContext(ctx, "GET", sp.URL, nil)
if err != nil {
return "", fmt.Errorf("credentials: HTTP request for URL-sourced credential failed: %w", err)
}
for key, val := range sp.Headers {
req.Header.Add(key, val)
}
sp.Logger.DebugContext(ctx, "url subject token request", "request", internallog.HTTPRequest(req, nil))
resp, body, err := internal.DoRequest(sp.Client, req)
if err != nil {
return "", fmt.Errorf("credentials: invalid response when retrieving subject token: %w", err)
}
sp.Logger.DebugContext(ctx, "url subject token response", "response", internallog.HTTPResponse(resp, body))
if c := resp.StatusCode; c < http.StatusOK || c >= http.StatusMultipleChoices {
return "", fmt.Errorf("credentials: status code %d: %s", c, body)
}
if sp.Format == nil {
return string(body), nil
}
switch sp.Format.Type {
case "json":
jsonData := make(map[string]interface{})
err = json.Unmarshal(body, &jsonData)
if err != nil {
return "", fmt.Errorf("credentials: failed to unmarshal subject token file: %w", err)
}
val, ok := jsonData[sp.Format.SubjectTokenFieldName]
if !ok {
return "", errors.New("credentials: provided subject_token_field_name not found in credentials")
}
token, ok := val.(string)
if !ok {
return "", errors.New("credentials: improperly formatted subject token")
}
return token, nil
case fileTypeText:
return string(body), nil
default:
return "", errors.New("credentials: invalid credential_source file format type: " + sp.Format.Type)
}
}
func (sp *urlSubjectProvider) providerType() string {
return urlProviderType
}
@@ -0,0 +1,63 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package externalaccount
import (
"context"
"crypto/tls"
"net/http"
"time"
"cloud.google.com/go/auth/internal/transport/cert"
)
// x509Provider implements the subjectTokenProvider type for
// x509 workload identity credentials. Because x509 credentials
// rely on an mTLS connection to represent the 3rd party identity
// rather than a subject token, this provider will always return
// an empty string when a subject token is requested by the external account
// token provider.
type x509Provider struct {
}
func (xp *x509Provider) providerType() string {
return x509ProviderType
}
func (xp *x509Provider) subjectToken(ctx context.Context) (string, error) {
return "", nil
}
// createX509Client creates a new client that is configured with mTLS, using the
// certificate configuration specified in the credential source.
func createX509Client(certificateConfigLocation string) (*http.Client, error) {
certProvider, err := cert.NewWorkloadX509CertProvider(certificateConfigLocation)
if err != nil {
return nil, err
}
trans := http.DefaultTransport.(*http.Transport).Clone()
trans.TLSClientConfig = &tls.Config{
GetClientCertificate: certProvider,
}
// Create a client with default settings plus the X509 workload cert and key.
client := &http.Client{
Transport: trans,
Timeout: 30 * time.Second,
}
return client, nil
}
@@ -0,0 +1,115 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package externalaccountuser
import (
"context"
"errors"
"log/slog"
"net/http"
"time"
"cloud.google.com/go/auth"
"cloud.google.com/go/auth/credentials/internal/stsexchange"
"cloud.google.com/go/auth/internal"
"github.com/googleapis/gax-go/v2/internallog"
)
// Options stores the configuration for fetching tokens with external authorized
// user credentials.
type Options struct {
// Audience is the Secure Token Service (STS) audience which contains the
// resource name for the workforce pool and the provider identifier in that
// pool.
Audience string
// RefreshToken is the OAuth 2.0 refresh token.
RefreshToken string
// TokenURL is the STS token exchange endpoint for refresh.
TokenURL string
// TokenInfoURL is the STS endpoint URL for token introspection. Optional.
TokenInfoURL string
// ClientID is only required in conjunction with ClientSecret, as described
// below.
ClientID string
// ClientSecret is currently only required if token_info endpoint also needs
// to be called with the generated a cloud access token. When provided, STS
// will be called with additional basic authentication using client_id as
// username and client_secret as password.
ClientSecret string
// Scopes contains the desired scopes for the returned access token.
Scopes []string
// Client for token request.
Client *http.Client
// Logger for logging.
Logger *slog.Logger
}
func (c *Options) validate() bool {
return c.ClientID != "" && c.ClientSecret != "" && c.RefreshToken != "" && c.TokenURL != ""
}
// NewTokenProvider returns a [cloud.google.com/go/auth.TokenProvider]
// configured with the provided options.
func NewTokenProvider(opts *Options) (auth.TokenProvider, error) {
if !opts.validate() {
return nil, errors.New("credentials: invalid external_account_authorized_user configuration")
}
tp := &tokenProvider{
o: opts,
}
return auth.NewCachedTokenProvider(tp, nil), nil
}
type tokenProvider struct {
o *Options
}
func (tp *tokenProvider) Token(ctx context.Context) (*auth.Token, error) {
opts := tp.o
clientAuth := stsexchange.ClientAuthentication{
AuthStyle: auth.StyleInHeader,
ClientID: opts.ClientID,
ClientSecret: opts.ClientSecret,
}
headers := make(http.Header)
headers.Set("Content-Type", "application/x-www-form-urlencoded")
stsResponse, err := stsexchange.RefreshAccessToken(ctx, &stsexchange.Options{
Client: opts.Client,
Endpoint: opts.TokenURL,
RefreshToken: opts.RefreshToken,
Authentication: clientAuth,
Headers: headers,
Logger: internallog.New(tp.o.Logger),
})
if err != nil {
return nil, err
}
if stsResponse.ExpiresIn < 0 {
return nil, errors.New("credentials: invalid expiry from security token service")
}
// guarded by the wrapping with CachedTokenProvider
if stsResponse.RefreshToken != "" {
opts.RefreshToken = stsResponse.RefreshToken
}
return &auth.Token{
Value: stsResponse.AccessToken,
Expiry: time.Now().UTC().Add(time.Duration(stsResponse.ExpiresIn) * time.Second),
Type: internal.TokenTypeBearer,
}, nil
}
+191
View File
@@ -0,0 +1,191 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package gdch
import (
"context"
"crypto"
"crypto/tls"
"crypto/x509"
"encoding/json"
"errors"
"fmt"
"log/slog"
"net/http"
"net/url"
"os"
"strings"
"time"
"cloud.google.com/go/auth"
"cloud.google.com/go/auth/internal"
"cloud.google.com/go/auth/internal/credsfile"
"cloud.google.com/go/auth/internal/jwt"
"github.com/googleapis/gax-go/v2/internallog"
)
const (
// GrantType is the grant type for the token request.
GrantType = "urn:ietf:params:oauth:token-type:token-exchange"
requestTokenType = "urn:ietf:params:oauth:token-type:access_token"
subjectTokenType = "urn:k8s:params:oauth:token-type:serviceaccount"
)
var (
gdchSupportFormatVersions map[string]bool = map[string]bool{
"1": true,
}
)
// Options for [NewTokenProvider].
type Options struct {
STSAudience string
Client *http.Client
Logger *slog.Logger
}
// NewTokenProvider returns a [cloud.google.com/go/auth.TokenProvider] from a
// GDCH cred file.
func NewTokenProvider(f *credsfile.GDCHServiceAccountFile, o *Options) (auth.TokenProvider, error) {
if !gdchSupportFormatVersions[f.FormatVersion] {
return nil, fmt.Errorf("credentials: unsupported gdch_service_account format %q", f.FormatVersion)
}
if o.STSAudience == "" {
return nil, errors.New("credentials: STSAudience must be set for the GDCH auth flows")
}
signer, err := internal.ParseKey([]byte(f.PrivateKey))
if err != nil {
return nil, err
}
certPool, err := loadCertPool(f.CertPath)
if err != nil {
return nil, err
}
tp := gdchProvider{
serviceIdentity: fmt.Sprintf("system:serviceaccount:%s:%s", f.Project, f.Name),
tokenURL: f.TokenURL,
aud: o.STSAudience,
signer: signer,
pkID: f.PrivateKeyID,
certPool: certPool,
client: o.Client,
logger: internallog.New(o.Logger),
}
return tp, nil
}
func loadCertPool(path string) (*x509.CertPool, error) {
pool := x509.NewCertPool()
pem, err := os.ReadFile(path)
if err != nil {
return nil, fmt.Errorf("credentials: failed to read certificate: %w", err)
}
pool.AppendCertsFromPEM(pem)
return pool, nil
}
type gdchProvider struct {
serviceIdentity string
tokenURL string
aud string
signer crypto.Signer
pkID string
certPool *x509.CertPool
client *http.Client
logger *slog.Logger
}
func (g gdchProvider) Token(ctx context.Context) (*auth.Token, error) {
addCertToTransport(g.client, g.certPool)
iat := time.Now()
exp := iat.Add(time.Hour)
claims := jwt.Claims{
Iss: g.serviceIdentity,
Sub: g.serviceIdentity,
Aud: g.tokenURL,
Iat: iat.Unix(),
Exp: exp.Unix(),
}
h := jwt.Header{
Algorithm: jwt.HeaderAlgRSA256,
Type: jwt.HeaderType,
KeyID: string(g.pkID),
}
payload, err := jwt.EncodeJWS(&h, &claims, g.signer)
if err != nil {
return nil, err
}
v := url.Values{}
v.Set("grant_type", GrantType)
v.Set("audience", g.aud)
v.Set("requested_token_type", requestTokenType)
v.Set("subject_token", payload)
v.Set("subject_token_type", subjectTokenType)
req, err := http.NewRequestWithContext(ctx, "POST", g.tokenURL, strings.NewReader(v.Encode()))
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
g.logger.DebugContext(ctx, "gdch token request", "request", internallog.HTTPRequest(req, []byte(v.Encode())))
resp, body, err := internal.DoRequest(g.client, req)
if err != nil {
return nil, fmt.Errorf("credentials: cannot fetch token: %w", err)
}
g.logger.DebugContext(ctx, "gdch token response", "response", internallog.HTTPResponse(resp, body))
if c := resp.StatusCode; c < http.StatusOK || c > http.StatusMultipleChoices {
return nil, &auth.Error{
Response: resp,
Body: body,
}
}
var tokenRes struct {
AccessToken string `json:"access_token"`
TokenType string `json:"token_type"`
ExpiresIn int64 `json:"expires_in"` // relative seconds from now
}
if err := json.Unmarshal(body, &tokenRes); err != nil {
return nil, fmt.Errorf("credentials: cannot fetch token: %w", err)
}
token := &auth.Token{
Value: tokenRes.AccessToken,
Type: tokenRes.TokenType,
}
raw := make(map[string]interface{})
json.Unmarshal(body, &raw) // no error checks for optional fields
token.Metadata = raw
if secs := tokenRes.ExpiresIn; secs > 0 {
token.Expiry = time.Now().Add(time.Duration(secs) * time.Second)
}
return token, nil
}
// addCertToTransport makes a best effort attempt at adding in the cert info to
// the client. It tries to keep all configured transport settings if the
// underlying transport is an http.Transport. Or else it overwrites the
// transport with defaults adding in the certs.
func addCertToTransport(hc *http.Client, certPool *x509.CertPool) {
trans, ok := hc.Transport.(*http.Transport)
if !ok {
trans = http.DefaultTransport.(*http.Transport).Clone()
}
trans.TLSClientConfig = &tls.Config{
RootCAs: certPool,
}
}
@@ -0,0 +1,156 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package impersonate
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"log/slog"
"net/http"
"time"
"cloud.google.com/go/auth"
"cloud.google.com/go/auth/internal"
"github.com/googleapis/gax-go/v2/internallog"
)
const (
defaultTokenLifetime = "3600s"
authHeaderKey = "Authorization"
)
// generateAccesstokenReq is used for service account impersonation
type generateAccessTokenReq struct {
Delegates []string `json:"delegates,omitempty"`
Lifetime string `json:"lifetime,omitempty"`
Scope []string `json:"scope,omitempty"`
}
type impersonateTokenResponse struct {
AccessToken string `json:"accessToken"`
ExpireTime string `json:"expireTime"`
}
// NewTokenProvider uses a source credential, stored in Ts, to request an access token to the provided URL.
// Scopes can be defined when the access token is requested.
func NewTokenProvider(opts *Options) (auth.TokenProvider, error) {
if err := opts.validate(); err != nil {
return nil, err
}
return opts, nil
}
// Options for [NewTokenProvider].
type Options struct {
// Tp is the source credential used to generate a token on the
// impersonated service account. Required.
Tp auth.TokenProvider
// URL is the endpoint to call to generate a token
// on behalf of the service account. Required.
URL string
// Scopes that the impersonated credential should have. Required.
Scopes []string
// Delegates are the service account email addresses in a delegation chain.
// Each service account must be granted roles/iam.serviceAccountTokenCreator
// on the next service account in the chain. Optional.
Delegates []string
// TokenLifetimeSeconds is the number of seconds the impersonation token will
// be valid for. Defaults to 1 hour if unset. Optional.
TokenLifetimeSeconds int
// Client configures the underlying client used to make network requests
// when fetching tokens. Required.
Client *http.Client
// Logger is used for debug logging. If provided, logging will be enabled
// at the loggers configured level. By default logging is disabled unless
// enabled by setting GOOGLE_SDK_GO_LOGGING_LEVEL in which case a default
// logger will be used. Optional.
Logger *slog.Logger
}
func (o *Options) validate() error {
if o.Tp == nil {
return errors.New("credentials: missing required 'source_credentials' field in impersonated credentials")
}
if o.URL == "" {
return errors.New("credentials: missing required 'service_account_impersonation_url' field in impersonated credentials")
}
return nil
}
// Token performs the exchange to get a temporary service account token to allow access to GCP.
func (o *Options) Token(ctx context.Context) (*auth.Token, error) {
logger := internallog.New(o.Logger)
lifetime := defaultTokenLifetime
if o.TokenLifetimeSeconds != 0 {
lifetime = fmt.Sprintf("%ds", o.TokenLifetimeSeconds)
}
reqBody := generateAccessTokenReq{
Lifetime: lifetime,
Scope: o.Scopes,
Delegates: o.Delegates,
}
b, err := json.Marshal(reqBody)
if err != nil {
return nil, fmt.Errorf("credentials: unable to marshal request: %w", err)
}
req, err := http.NewRequestWithContext(ctx, "POST", o.URL, bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("credentials: unable to create impersonation request: %w", err)
}
req.Header.Set("Content-Type", "application/json")
if err := setAuthHeader(ctx, o.Tp, req); err != nil {
return nil, err
}
logger.DebugContext(ctx, "impersonated token request", "request", internallog.HTTPRequest(req, b))
resp, body, err := internal.DoRequest(o.Client, req)
if err != nil {
return nil, fmt.Errorf("credentials: unable to generate access token: %w", err)
}
logger.DebugContext(ctx, "impersonated token response", "response", internallog.HTTPResponse(resp, body))
if c := resp.StatusCode; c < http.StatusOK || c >= http.StatusMultipleChoices {
return nil, fmt.Errorf("credentials: status code %d: %s", c, body)
}
var accessTokenResp impersonateTokenResponse
if err := json.Unmarshal(body, &accessTokenResp); err != nil {
return nil, fmt.Errorf("credentials: unable to parse response: %w", err)
}
expiry, err := time.Parse(time.RFC3339, accessTokenResp.ExpireTime)
if err != nil {
return nil, fmt.Errorf("credentials: unable to parse expiry: %w", err)
}
return &auth.Token{
Value: accessTokenResp.AccessToken,
Expiry: expiry,
Type: internal.TokenTypeBearer,
}, nil
}
func setAuthHeader(ctx context.Context, tp auth.TokenProvider, r *http.Request) error {
t, err := tp.Token(ctx)
if err != nil {
return err
}
typ := t.Type
if typ == "" {
typ = internal.TokenTypeBearer
}
r.Header.Set(authHeaderKey, typ+" "+t.Value)
return nil
}
@@ -0,0 +1,167 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package stsexchange
import (
"context"
"encoding/base64"
"encoding/json"
"fmt"
"log/slog"
"net/http"
"net/url"
"strconv"
"strings"
"cloud.google.com/go/auth"
"cloud.google.com/go/auth/internal"
"github.com/googleapis/gax-go/v2/internallog"
)
const (
// GrantType for a sts exchange.
GrantType = "urn:ietf:params:oauth:grant-type:token-exchange"
// TokenType for a sts exchange.
TokenType = "urn:ietf:params:oauth:token-type:access_token"
jwtTokenType = "urn:ietf:params:oauth:token-type:jwt"
)
// Options stores the configuration for making an sts exchange request.
type Options struct {
Client *http.Client
Logger *slog.Logger
Endpoint string
Request *TokenRequest
Authentication ClientAuthentication
Headers http.Header
// ExtraOpts are optional fields marshalled into the `options` field of the
// request body.
ExtraOpts map[string]interface{}
RefreshToken string
}
// RefreshAccessToken performs the token exchange using a refresh token flow.
func RefreshAccessToken(ctx context.Context, opts *Options) (*TokenResponse, error) {
data := url.Values{}
data.Set("grant_type", "refresh_token")
data.Set("refresh_token", opts.RefreshToken)
return doRequest(ctx, opts, data)
}
// ExchangeToken performs an oauth2 token exchange with the provided endpoint.
func ExchangeToken(ctx context.Context, opts *Options) (*TokenResponse, error) {
data := url.Values{}
data.Set("audience", opts.Request.Audience)
data.Set("grant_type", GrantType)
data.Set("requested_token_type", TokenType)
data.Set("subject_token_type", opts.Request.SubjectTokenType)
data.Set("subject_token", opts.Request.SubjectToken)
data.Set("scope", strings.Join(opts.Request.Scope, " "))
if opts.ExtraOpts != nil {
opts, err := json.Marshal(opts.ExtraOpts)
if err != nil {
return nil, fmt.Errorf("credentials: failed to marshal additional options: %w", err)
}
data.Set("options", string(opts))
}
return doRequest(ctx, opts, data)
}
func doRequest(ctx context.Context, opts *Options, data url.Values) (*TokenResponse, error) {
opts.Authentication.InjectAuthentication(data, opts.Headers)
encodedData := data.Encode()
logger := internallog.New(opts.Logger)
req, err := http.NewRequestWithContext(ctx, "POST", opts.Endpoint, strings.NewReader(encodedData))
if err != nil {
return nil, fmt.Errorf("credentials: failed to properly build http request: %w", err)
}
for key, list := range opts.Headers {
for _, val := range list {
req.Header.Add(key, val)
}
}
req.Header.Set("Content-Length", strconv.Itoa(len(encodedData)))
logger.DebugContext(ctx, "sts token request", "request", internallog.HTTPRequest(req, []byte(encodedData)))
resp, body, err := internal.DoRequest(opts.Client, req)
if err != nil {
return nil, fmt.Errorf("credentials: invalid response from Secure Token Server: %w", err)
}
logger.DebugContext(ctx, "sts token response", "response", internallog.HTTPResponse(resp, body))
if c := resp.StatusCode; c < http.StatusOK || c > http.StatusMultipleChoices {
return nil, fmt.Errorf("credentials: status code %d: %s", c, body)
}
var stsResp TokenResponse
if err := json.Unmarshal(body, &stsResp); err != nil {
return nil, fmt.Errorf("credentials: failed to unmarshal response body from Secure Token Server: %w", err)
}
return &stsResp, nil
}
// TokenRequest contains fields necessary to make an oauth2 token
// exchange.
type TokenRequest struct {
ActingParty struct {
ActorToken string
ActorTokenType string
}
GrantType string
Resource string
Audience string
Scope []string
RequestedTokenType string
SubjectToken string
SubjectTokenType string
}
// TokenResponse is used to decode the remote server response during
// an oauth2 token exchange.
type TokenResponse struct {
AccessToken string `json:"access_token"`
IssuedTokenType string `json:"issued_token_type"`
TokenType string `json:"token_type"`
ExpiresIn int `json:"expires_in"`
Scope string `json:"scope"`
RefreshToken string `json:"refresh_token"`
}
// ClientAuthentication represents an OAuth client ID and secret and the
// mechanism for passing these credentials as stated in rfc6749#2.3.1.
type ClientAuthentication struct {
AuthStyle auth.Style
ClientID string
ClientSecret string
}
// InjectAuthentication is used to add authentication to a Secure Token Service
// exchange request. It modifies either the passed url.Values or http.Header
// depending on the desired authentication format.
func (c *ClientAuthentication) InjectAuthentication(values url.Values, headers http.Header) {
if c.ClientID == "" || c.ClientSecret == "" || values == nil || headers == nil {
return
}
switch c.AuthStyle {
case auth.StyleInHeader:
plainHeader := c.ClientID + ":" + c.ClientSecret
headers.Set("Authorization", "Basic "+base64.StdEncoding.EncodeToString([]byte(plainHeader)))
default:
values.Set("client_id", c.ClientID)
values.Set("client_secret", c.ClientSecret)
}
}
+89
View File
@@ -0,0 +1,89 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package credentials
import (
"context"
"crypto"
"errors"
"fmt"
"log/slog"
"strings"
"time"
"cloud.google.com/go/auth"
"cloud.google.com/go/auth/internal"
"cloud.google.com/go/auth/internal/credsfile"
"cloud.google.com/go/auth/internal/jwt"
)
var (
// for testing
now func() time.Time = time.Now
)
// configureSelfSignedJWT uses the private key in the service account to create
// a JWT without making a network call.
func configureSelfSignedJWT(f *credsfile.ServiceAccountFile, opts *DetectOptions) (auth.TokenProvider, error) {
if len(opts.scopes()) == 0 && opts.Audience == "" {
return nil, errors.New("credentials: both scopes and audience are empty")
}
signer, err := internal.ParseKey([]byte(f.PrivateKey))
if err != nil {
return nil, fmt.Errorf("credentials: could not parse key: %w", err)
}
return &selfSignedTokenProvider{
email: f.ClientEmail,
audience: opts.Audience,
scopes: opts.scopes(),
signer: signer,
pkID: f.PrivateKeyID,
logger: opts.logger(),
}, nil
}
type selfSignedTokenProvider struct {
email string
audience string
scopes []string
signer crypto.Signer
pkID string
logger *slog.Logger
}
func (tp *selfSignedTokenProvider) Token(context.Context) (*auth.Token, error) {
iat := now()
exp := iat.Add(time.Hour)
scope := strings.Join(tp.scopes, " ")
c := &jwt.Claims{
Iss: tp.email,
Sub: tp.email,
Aud: tp.audience,
Scope: scope,
Iat: iat.Unix(),
Exp: exp.Unix(),
}
h := &jwt.Header{
Algorithm: jwt.HeaderAlgRSA256,
Type: jwt.HeaderType,
KeyID: string(tp.pkID),
}
tok, err := jwt.EncodeJWS(h, c, tp.signer)
if err != nil {
return nil, fmt.Errorf("credentials: could not encode JWT: %w", err)
}
tp.logger.Debug("created self-signed JWT", "token", tok)
return &auth.Token{Value: tok, Type: internal.TokenTypeBearer, Expiry: exp}, nil
}
+62
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build linux
// +build linux
package grpctransport
import (
"context"
"net"
"syscall"
"google.golang.org/grpc"
)
const (
// defaultTCPUserTimeout is the default TCP_USER_TIMEOUT socket option. By
// default is 20 seconds.
tcpUserTimeoutMilliseconds = 20000
// Copied from golang.org/x/sys/unix.TCP_USER_TIMEOUT.
tcpUserTimeoutOp = 0x12
)
func init() {
// timeoutDialerOption is a grpc.DialOption that contains dialer with
// socket option TCP_USER_TIMEOUT. This dialer requires go versions 1.11+.
timeoutDialerOption = grpc.WithContextDialer(dialTCPUserTimeout)
}
func dialTCPUserTimeout(ctx context.Context, addr string) (net.Conn, error) {
control := func(network, address string, c syscall.RawConn) error {
var syscallErr error
controlErr := c.Control(func(fd uintptr) {
syscallErr = syscall.SetsockoptInt(
int(fd), syscall.IPPROTO_TCP, tcpUserTimeoutOp, tcpUserTimeoutMilliseconds)
})
if syscallErr != nil {
return syscallErr
}
if controlErr != nil {
return controlErr
}
return nil
}
d := &net.Dialer{
Control: control,
}
return d.DialContext(ctx, "tcp", addr)
}
+126
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package grpctransport
import (
"context"
"net"
"os"
"strconv"
"strings"
"cloud.google.com/go/auth"
"cloud.google.com/go/auth/internal/compute"
"google.golang.org/grpc"
grpcgoogle "google.golang.org/grpc/credentials/google"
)
func isDirectPathEnabled(endpoint string, opts *Options) bool {
if opts.InternalOptions != nil && !opts.InternalOptions.EnableDirectPath {
return false
}
if !checkDirectPathEndPoint(endpoint) {
return false
}
if b, _ := strconv.ParseBool(os.Getenv(disableDirectPathEnvVar)); b {
return false
}
return true
}
func checkDirectPathEndPoint(endpoint string) bool {
// Only [dns:///]host[:port] is supported, not other schemes (e.g., "tcp://" or "unix://").
// Also don't try direct path if the user has chosen an alternate name resolver
// (i.e., via ":///" prefix).
if strings.Contains(endpoint, "://") && !strings.HasPrefix(endpoint, "dns:///") {
return false
}
if endpoint == "" {
return false
}
return true
}
func isTokenProviderDirectPathCompatible(tp auth.TokenProvider, o *Options) bool {
if tp == nil {
return false
}
tok, err := tp.Token(context.Background())
if err != nil {
return false
}
if tok == nil {
return false
}
if tok.MetadataString("auth.google.tokenSource") != "compute-metadata" {
return false
}
if o.InternalOptions != nil && o.InternalOptions.EnableNonDefaultSAForDirectPath {
return true
}
if tok.MetadataString("auth.google.serviceAccount") != "default" {
return false
}
return true
}
func isDirectPathXdsUsed(o *Options) bool {
// Method 1: Enable DirectPath xDS by env;
if b, _ := strconv.ParseBool(os.Getenv(enableDirectPathXdsEnvVar)); b {
return true
}
// Method 2: Enable DirectPath xDS by option;
if o.InternalOptions != nil && o.InternalOptions.EnableDirectPathXds {
return true
}
return false
}
// configureDirectPath returns some dial options and an endpoint to use if the
// configuration allows the use of direct path. If it does not the provided
// grpcOpts and endpoint are returned.
func configureDirectPath(grpcOpts []grpc.DialOption, opts *Options, endpoint string, creds *auth.Credentials) ([]grpc.DialOption, string) {
if isDirectPathEnabled(endpoint, opts) && compute.OnComputeEngine() && isTokenProviderDirectPathCompatible(creds, opts) {
// Overwrite all of the previously specific DialOptions, DirectPath uses its own set of credentials and certificates.
grpcOpts = []grpc.DialOption{
grpc.WithCredentialsBundle(grpcgoogle.NewDefaultCredentialsWithOptions(grpcgoogle.DefaultCredentialsOptions{PerRPCCreds: &grpcCredentialsProvider{creds: creds}}))}
if timeoutDialerOption != nil {
grpcOpts = append(grpcOpts, timeoutDialerOption)
}
// Check if google-c2p resolver is enabled for DirectPath
if isDirectPathXdsUsed(opts) {
// google-c2p resolver target must not have a port number
if addr, _, err := net.SplitHostPort(endpoint); err == nil {
endpoint = "google-c2p:///" + addr
} else {
endpoint = "google-c2p:///" + endpoint
}
} else {
if !strings.HasPrefix(endpoint, "dns:///") {
endpoint = "dns:///" + endpoint
}
grpcOpts = append(grpcOpts,
// For now all DirectPath go clients will be using the following lb config, but in future
// when different services need different configs, then we should change this to a
// per-service config.
grpc.WithDisableServiceConfig(),
grpc.WithDefaultServiceConfig(`{"loadBalancingConfig":[{"grpclb":{"childPolicy":[{"pick_first":{}}]}}]}`))
}
// TODO: add support for system parameters (quota project, request reason) via chained interceptor.
}
return grpcOpts, endpoint
}
+438
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package grpctransport provides functionality for managing gRPC client
// connections to Google Cloud services.
package grpctransport
import (
"context"
"crypto/tls"
"errors"
"fmt"
"log/slog"
"net/http"
"os"
"sync"
"cloud.google.com/go/auth"
"cloud.google.com/go/auth/credentials"
"cloud.google.com/go/auth/internal"
"cloud.google.com/go/auth/internal/transport"
"github.com/googleapis/gax-go/v2/internallog"
"go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
"google.golang.org/grpc"
grpccreds "google.golang.org/grpc/credentials"
grpcinsecure "google.golang.org/grpc/credentials/insecure"
"google.golang.org/grpc/stats"
)
const (
// Check env to disable DirectPath traffic.
disableDirectPathEnvVar = "GOOGLE_CLOUD_DISABLE_DIRECT_PATH"
// Check env to decide if using google-c2p resolver for DirectPath traffic.
enableDirectPathXdsEnvVar = "GOOGLE_CLOUD_ENABLE_DIRECT_PATH_XDS"
quotaProjectHeaderKey = "X-goog-user-project"
)
var (
// Set at init time by dial_socketopt.go. If nil, socketopt is not supported.
timeoutDialerOption grpc.DialOption
)
// otelStatsHandler is a singleton otelgrpc.clientHandler to be used across
// all dial connections to avoid the memory leak documented in
// https://github.com/open-telemetry/opentelemetry-go-contrib/issues/4226
//
// TODO: When this module depends on a version of otelgrpc containing the fix,
// replace this singleton with inline usage for simplicity.
// The fix should be in https://github.com/open-telemetry/opentelemetry-go/pull/5797.
var (
initOtelStatsHandlerOnce sync.Once
otelStatsHandler stats.Handler
)
// otelGRPCStatsHandler returns singleton otelStatsHandler for reuse across all
// dial connections.
func otelGRPCStatsHandler() stats.Handler {
initOtelStatsHandlerOnce.Do(func() {
otelStatsHandler = otelgrpc.NewClientHandler()
})
return otelStatsHandler
}
// ClientCertProvider is a function that returns a TLS client certificate to be
// used when opening TLS connections. It follows the same semantics as
// [crypto/tls.Config.GetClientCertificate].
type ClientCertProvider = func(*tls.CertificateRequestInfo) (*tls.Certificate, error)
// Options used to configure a [GRPCClientConnPool] from [Dial].
type Options struct {
// DisableTelemetry disables default telemetry (OpenTelemetry). An example
// reason to do so would be to bind custom telemetry that overrides the
// defaults.
DisableTelemetry bool
// DisableAuthentication specifies that no authentication should be used. It
// is suitable only for testing and for accessing public resources, like
// public Google Cloud Storage buckets.
DisableAuthentication bool
// Endpoint overrides the default endpoint to be used for a service.
Endpoint string
// Metadata is extra gRPC metadata that will be appended to every outgoing
// request.
Metadata map[string]string
// GRPCDialOpts are dial options that will be passed to `grpc.Dial` when
// establishing a`grpc.Conn``
GRPCDialOpts []grpc.DialOption
// PoolSize is specifies how many connections to balance between when making
// requests. If unset or less than 1, the value defaults to 1.
PoolSize int
// Credentials used to add Authorization metadata to all requests. If set
// DetectOpts are ignored.
Credentials *auth.Credentials
// ClientCertProvider is a function that returns a TLS client certificate to
// be used when opening TLS connections. It follows the same semantics as
// crypto/tls.Config.GetClientCertificate.
ClientCertProvider ClientCertProvider
// DetectOpts configures settings for detect Application Default
// Credentials.
DetectOpts *credentials.DetectOptions
// UniverseDomain is the default service domain for a given Cloud universe.
// The default value is "googleapis.com". This is the universe domain
// configured for the client, which will be compared to the universe domain
// that is separately configured for the credentials.
UniverseDomain string
// APIKey specifies an API key to be used as the basis for authentication.
// If set DetectOpts are ignored.
APIKey string
// Logger is used for debug logging. If provided, logging will be enabled
// at the loggers configured level. By default logging is disabled unless
// enabled by setting GOOGLE_SDK_GO_LOGGING_LEVEL in which case a default
// logger will be used. Optional.
Logger *slog.Logger
// InternalOptions are NOT meant to be set directly by consumers of this
// package, they should only be set by generated client code.
InternalOptions *InternalOptions
}
// client returns the client a user set for the detect options or nil if one was
// not set.
func (o *Options) client() *http.Client {
if o.DetectOpts != nil && o.DetectOpts.Client != nil {
return o.DetectOpts.Client
}
return nil
}
func (o *Options) logger() *slog.Logger {
return internallog.New(o.Logger)
}
func (o *Options) validate() error {
if o == nil {
return errors.New("grpctransport: opts required to be non-nil")
}
if o.InternalOptions != nil && o.InternalOptions.SkipValidation {
return nil
}
hasCreds := o.APIKey != "" ||
o.Credentials != nil ||
(o.DetectOpts != nil && len(o.DetectOpts.CredentialsJSON) > 0) ||
(o.DetectOpts != nil && o.DetectOpts.CredentialsFile != "")
if o.DisableAuthentication && hasCreds {
return errors.New("grpctransport: DisableAuthentication is incompatible with options that set or detect credentials")
}
return nil
}
func (o *Options) resolveDetectOptions() *credentials.DetectOptions {
io := o.InternalOptions
// soft-clone these so we are not updating a ref the user holds and may reuse
do := transport.CloneDetectOptions(o.DetectOpts)
// If scoped JWTs are enabled user provided an aud, allow self-signed JWT.
if (io != nil && io.EnableJWTWithScope) || do.Audience != "" {
do.UseSelfSignedJWT = true
}
// Only default scopes if user did not also set an audience.
if len(do.Scopes) == 0 && do.Audience == "" && io != nil && len(io.DefaultScopes) > 0 {
do.Scopes = make([]string, len(io.DefaultScopes))
copy(do.Scopes, io.DefaultScopes)
}
if len(do.Scopes) == 0 && do.Audience == "" && io != nil {
do.Audience = o.InternalOptions.DefaultAudience
}
if o.ClientCertProvider != nil {
tlsConfig := &tls.Config{
GetClientCertificate: o.ClientCertProvider,
}
do.Client = transport.DefaultHTTPClientWithTLS(tlsConfig)
do.TokenURL = credentials.GoogleMTLSTokenURL
}
if do.Logger == nil {
do.Logger = o.logger()
}
return do
}
// InternalOptions are only meant to be set by generated client code. These are
// not meant to be set directly by consumers of this package. Configuration in
// this type is considered EXPERIMENTAL and may be removed at any time in the
// future without warning.
type InternalOptions struct {
// EnableNonDefaultSAForDirectPath overrides the default requirement for
// using the default service account for DirectPath.
EnableNonDefaultSAForDirectPath bool
// EnableDirectPath overrides the default attempt to use DirectPath.
EnableDirectPath bool
// EnableDirectPathXds overrides the default DirectPath type. It is only
// valid when DirectPath is enabled.
EnableDirectPathXds bool
// EnableJWTWithScope specifies if scope can be used with self-signed JWT.
EnableJWTWithScope bool
// DefaultAudience specifies a default audience to be used as the audience
// field ("aud") for the JWT token authentication.
DefaultAudience string
// DefaultEndpointTemplate combined with UniverseDomain specifies
// the default endpoint.
DefaultEndpointTemplate string
// DefaultMTLSEndpoint specifies the default mTLS endpoint.
DefaultMTLSEndpoint string
// DefaultScopes specifies the default OAuth2 scopes to be used for a
// service.
DefaultScopes []string
// SkipValidation bypasses validation on Options. It should only be used
// internally for clients that needs more control over their transport.
SkipValidation bool
}
// Dial returns a GRPCClientConnPool that can be used to communicate with a
// Google cloud service, configured with the provided [Options]. It
// automatically appends Authorization metadata to all outgoing requests.
func Dial(ctx context.Context, secure bool, opts *Options) (GRPCClientConnPool, error) {
if err := opts.validate(); err != nil {
return nil, err
}
if opts.PoolSize <= 1 {
conn, err := dial(ctx, secure, opts)
if err != nil {
return nil, err
}
return &singleConnPool{conn}, nil
}
pool := &roundRobinConnPool{}
for i := 0; i < opts.PoolSize; i++ {
conn, err := dial(ctx, secure, opts)
if err != nil {
// ignore close error, if any
defer pool.Close()
return nil, err
}
pool.conns = append(pool.conns, conn)
}
return pool, nil
}
// return a GRPCClientConnPool if pool == 1 or else a pool of of them if >1
func dial(ctx context.Context, secure bool, opts *Options) (*grpc.ClientConn, error) {
tOpts := &transport.Options{
Endpoint: opts.Endpoint,
ClientCertProvider: opts.ClientCertProvider,
Client: opts.client(),
UniverseDomain: opts.UniverseDomain,
Logger: opts.logger(),
}
if io := opts.InternalOptions; io != nil {
tOpts.DefaultEndpointTemplate = io.DefaultEndpointTemplate
tOpts.DefaultMTLSEndpoint = io.DefaultMTLSEndpoint
tOpts.EnableDirectPath = io.EnableDirectPath
tOpts.EnableDirectPathXds = io.EnableDirectPathXds
}
transportCreds, endpoint, err := transport.GetGRPCTransportCredsAndEndpoint(tOpts)
if err != nil {
return nil, err
}
if !secure {
transportCreds = grpcinsecure.NewCredentials()
}
// Initialize gRPC dial options with transport-level security options.
grpcOpts := []grpc.DialOption{
grpc.WithTransportCredentials(transportCreds),
}
// Ensure the token exchange HTTP transport uses the same ClientCertProvider as the GRPC API transport.
opts.ClientCertProvider, err = transport.GetClientCertificateProvider(tOpts)
if err != nil {
return nil, err
}
if opts.APIKey != "" {
grpcOpts = append(grpcOpts,
grpc.WithPerRPCCredentials(&grpcKeyProvider{
apiKey: opts.APIKey,
metadata: opts.Metadata,
secure: secure,
}),
)
} else if !opts.DisableAuthentication {
metadata := opts.Metadata
var creds *auth.Credentials
if opts.Credentials != nil {
creds = opts.Credentials
} else {
var err error
creds, err = credentials.DetectDefault(opts.resolveDetectOptions())
if err != nil {
return nil, err
}
}
qp, err := creds.QuotaProjectID(ctx)
if err != nil {
return nil, err
}
if qp != "" {
if metadata == nil {
metadata = make(map[string]string, 1)
}
// Don't overwrite user specified quota
if _, ok := metadata[quotaProjectHeaderKey]; !ok {
metadata[quotaProjectHeaderKey] = qp
}
}
grpcOpts = append(grpcOpts,
grpc.WithPerRPCCredentials(&grpcCredentialsProvider{
creds: creds,
metadata: metadata,
clientUniverseDomain: opts.UniverseDomain,
}),
)
// Attempt Direct Path
grpcOpts, endpoint = configureDirectPath(grpcOpts, opts, endpoint, creds)
}
// Add tracing, but before the other options, so that clients can override the
// gRPC stats handler.
// This assumes that gRPC options are processed in order, left to right.
grpcOpts = addOpenTelemetryStatsHandler(grpcOpts, opts)
grpcOpts = append(grpcOpts, opts.GRPCDialOpts...)
return grpc.Dial(endpoint, grpcOpts...)
}
// grpcKeyProvider satisfies https://pkg.go.dev/google.golang.org/grpc/credentials#PerRPCCredentials.
type grpcKeyProvider struct {
apiKey string
metadata map[string]string
secure bool
}
func (g *grpcKeyProvider) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
metadata := make(map[string]string, len(g.metadata)+1)
metadata["X-goog-api-key"] = g.apiKey
for k, v := range g.metadata {
metadata[k] = v
}
return metadata, nil
}
func (g *grpcKeyProvider) RequireTransportSecurity() bool {
return g.secure
}
// grpcCredentialsProvider satisfies https://pkg.go.dev/google.golang.org/grpc/credentials#PerRPCCredentials.
type grpcCredentialsProvider struct {
creds *auth.Credentials
secure bool
// Additional metadata attached as headers.
metadata map[string]string
clientUniverseDomain string
}
// getClientUniverseDomain returns the default service domain for a given Cloud
// universe, with the following precedence:
//
// 1. A non-empty option.WithUniverseDomain or similar client option.
// 2. A non-empty environment variable GOOGLE_CLOUD_UNIVERSE_DOMAIN.
// 3. The default value "googleapis.com".
//
// This is the universe domain configured for the client, which will be compared
// to the universe domain that is separately configured for the credentials.
func (c *grpcCredentialsProvider) getClientUniverseDomain() string {
if c.clientUniverseDomain != "" {
return c.clientUniverseDomain
}
if envUD := os.Getenv(internal.UniverseDomainEnvVar); envUD != "" {
return envUD
}
return internal.DefaultUniverseDomain
}
func (c *grpcCredentialsProvider) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
token, err := c.creds.Token(ctx)
if err != nil {
return nil, err
}
if token.MetadataString("auth.google.tokenSource") != "compute-metadata" {
credentialsUniverseDomain, err := c.creds.UniverseDomain(ctx)
if err != nil {
return nil, err
}
if err := transport.ValidateUniverseDomain(c.getClientUniverseDomain(), credentialsUniverseDomain); err != nil {
return nil, err
}
}
if c.secure {
ri, _ := grpccreds.RequestInfoFromContext(ctx)
if err = grpccreds.CheckSecurityLevel(ri.AuthInfo, grpccreds.PrivacyAndIntegrity); err != nil {
return nil, fmt.Errorf("unable to transfer credentials PerRPCCredentials: %v", err)
}
}
metadata := make(map[string]string, len(c.metadata)+1)
setAuthMetadata(token, metadata)
for k, v := range c.metadata {
metadata[k] = v
}
return metadata, nil
}
// setAuthMetadata uses the provided token to set the Authorization metadata.
// If the token.Type is empty, the type is assumed to be Bearer.
func setAuthMetadata(token *auth.Token, m map[string]string) {
typ := token.Type
if typ == "" {
typ = internal.TokenTypeBearer
}
m["authorization"] = typ + " " + token.Value
}
func (c *grpcCredentialsProvider) RequireTransportSecurity() bool {
return c.secure
}
func addOpenTelemetryStatsHandler(dialOpts []grpc.DialOption, opts *Options) []grpc.DialOption {
if opts.DisableTelemetry {
return dialOpts
}
return append(dialOpts, grpc.WithStatsHandler(otelGRPCStatsHandler()))
}
+119
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package grpctransport
import (
"context"
"fmt"
"sync/atomic"
"google.golang.org/grpc"
)
// GRPCClientConnPool is an interface that satisfies
// [google.golang.org/grpc.ClientConnInterface] and has some utility functions
// that are needed for connection lifecycle when using in a client library. It
// may be a pool or a single connection. This interface is not intended to, and
// can't be, implemented by others.
type GRPCClientConnPool interface {
// Connection returns a [google.golang.org/grpc.ClientConn] from the pool.
//
// ClientConn aren't returned to the pool and should not be closed directly.
Connection() *grpc.ClientConn
// Len returns the number of connections in the pool. It will always return
// the same value.
Len() int
// Close closes every ClientConn in the pool. The error returned by Close
// may be a single error or multiple errors.
Close() error
grpc.ClientConnInterface
// private ensure others outside this package can't implement this type
private()
}
// singleConnPool is a special case for a single connection.
type singleConnPool struct {
*grpc.ClientConn
}
func (p *singleConnPool) Connection() *grpc.ClientConn { return p.ClientConn }
func (p *singleConnPool) Len() int { return 1 }
func (p *singleConnPool) private() {}
type roundRobinConnPool struct {
conns []*grpc.ClientConn
idx uint32 // access via sync/atomic
}
func (p *roundRobinConnPool) Len() int {
return len(p.conns)
}
func (p *roundRobinConnPool) Connection() *grpc.ClientConn {
i := atomic.AddUint32(&p.idx, 1)
return p.conns[i%uint32(len(p.conns))]
}
func (p *roundRobinConnPool) Close() error {
var errs multiError
for _, conn := range p.conns {
if err := conn.Close(); err != nil {
errs = append(errs, err)
}
}
if len(errs) == 0 {
return nil
}
return errs
}
func (p *roundRobinConnPool) Invoke(ctx context.Context, method string, args interface{}, reply interface{}, opts ...grpc.CallOption) error {
return p.Connection().Invoke(ctx, method, args, reply, opts...)
}
func (p *roundRobinConnPool) NewStream(ctx context.Context, desc *grpc.StreamDesc, method string, opts ...grpc.CallOption) (grpc.ClientStream, error) {
return p.Connection().NewStream(ctx, desc, method, opts...)
}
func (p *roundRobinConnPool) private() {}
// multiError represents errors from multiple conns in the group.
type multiError []error
func (m multiError) Error() string {
s, n := "", 0
for _, e := range m {
if e != nil {
if n == 0 {
s = e.Error()
}
n++
}
}
switch n {
case 0:
return "(0 errors)"
case 1:
return s
case 2:
return s + " (and 1 other error)"
}
return fmt.Sprintf("%s (and %d other errors)", s, n-1)
}
+247
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@@ -0,0 +1,247 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package httptransport provides functionality for managing HTTP client
// connections to Google Cloud services.
package httptransport
import (
"crypto/tls"
"errors"
"fmt"
"log/slog"
"net/http"
"cloud.google.com/go/auth"
detect "cloud.google.com/go/auth/credentials"
"cloud.google.com/go/auth/internal"
"cloud.google.com/go/auth/internal/transport"
"github.com/googleapis/gax-go/v2/internallog"
)
// ClientCertProvider is a function that returns a TLS client certificate to be
// used when opening TLS connections. It follows the same semantics as
// [crypto/tls.Config.GetClientCertificate].
type ClientCertProvider = func(*tls.CertificateRequestInfo) (*tls.Certificate, error)
// Options used to configure a [net/http.Client] from [NewClient].
type Options struct {
// DisableTelemetry disables default telemetry (OpenTelemetry). An example
// reason to do so would be to bind custom telemetry that overrides the
// defaults.
DisableTelemetry bool
// DisableAuthentication specifies that no authentication should be used. It
// is suitable only for testing and for accessing public resources, like
// public Google Cloud Storage buckets.
DisableAuthentication bool
// Headers are extra HTTP headers that will be appended to every outgoing
// request.
Headers http.Header
// BaseRoundTripper overrides the base transport used for serving requests.
// If specified ClientCertProvider is ignored.
BaseRoundTripper http.RoundTripper
// Endpoint overrides the default endpoint to be used for a service.
Endpoint string
// APIKey specifies an API key to be used as the basis for authentication.
// If set DetectOpts are ignored.
APIKey string
// Credentials used to add Authorization header to all requests. If set
// DetectOpts are ignored.
Credentials *auth.Credentials
// ClientCertProvider is a function that returns a TLS client certificate to
// be used when opening TLS connections. It follows the same semantics as
// crypto/tls.Config.GetClientCertificate.
ClientCertProvider ClientCertProvider
// DetectOpts configures settings for detect Application Default
// Credentials.
DetectOpts *detect.DetectOptions
// UniverseDomain is the default service domain for a given Cloud universe.
// The default value is "googleapis.com". This is the universe domain
// configured for the client, which will be compared to the universe domain
// that is separately configured for the credentials.
UniverseDomain string
// Logger is used for debug logging. If provided, logging will be enabled
// at the loggers configured level. By default logging is disabled unless
// enabled by setting GOOGLE_SDK_GO_LOGGING_LEVEL in which case a default
// logger will be used. Optional.
Logger *slog.Logger
// InternalOptions are NOT meant to be set directly by consumers of this
// package, they should only be set by generated client code.
InternalOptions *InternalOptions
}
func (o *Options) validate() error {
if o == nil {
return errors.New("httptransport: opts required to be non-nil")
}
if o.InternalOptions != nil && o.InternalOptions.SkipValidation {
return nil
}
hasCreds := o.APIKey != "" ||
o.Credentials != nil ||
(o.DetectOpts != nil && len(o.DetectOpts.CredentialsJSON) > 0) ||
(o.DetectOpts != nil && o.DetectOpts.CredentialsFile != "")
if o.DisableAuthentication && hasCreds {
return errors.New("httptransport: DisableAuthentication is incompatible with options that set or detect credentials")
}
return nil
}
// client returns the client a user set for the detect options or nil if one was
// not set.
func (o *Options) client() *http.Client {
if o.DetectOpts != nil && o.DetectOpts.Client != nil {
return o.DetectOpts.Client
}
return nil
}
func (o *Options) logger() *slog.Logger {
return internallog.New(o.Logger)
}
func (o *Options) resolveDetectOptions() *detect.DetectOptions {
io := o.InternalOptions
// soft-clone these so we are not updating a ref the user holds and may reuse
do := transport.CloneDetectOptions(o.DetectOpts)
// If scoped JWTs are enabled user provided an aud, allow self-signed JWT.
if (io != nil && io.EnableJWTWithScope) || do.Audience != "" {
do.UseSelfSignedJWT = true
}
// Only default scopes if user did not also set an audience.
if len(do.Scopes) == 0 && do.Audience == "" && io != nil && len(io.DefaultScopes) > 0 {
do.Scopes = make([]string, len(io.DefaultScopes))
copy(do.Scopes, io.DefaultScopes)
}
if len(do.Scopes) == 0 && do.Audience == "" && io != nil {
do.Audience = o.InternalOptions.DefaultAudience
}
if o.ClientCertProvider != nil {
tlsConfig := &tls.Config{
GetClientCertificate: o.ClientCertProvider,
}
do.Client = transport.DefaultHTTPClientWithTLS(tlsConfig)
do.TokenURL = detect.GoogleMTLSTokenURL
}
if do.Logger == nil {
do.Logger = o.logger()
}
return do
}
// InternalOptions are only meant to be set by generated client code. These are
// not meant to be set directly by consumers of this package. Configuration in
// this type is considered EXPERIMENTAL and may be removed at any time in the
// future without warning.
type InternalOptions struct {
// EnableJWTWithScope specifies if scope can be used with self-signed JWT.
EnableJWTWithScope bool
// DefaultAudience specifies a default audience to be used as the audience
// field ("aud") for the JWT token authentication.
DefaultAudience string
// DefaultEndpointTemplate combined with UniverseDomain specifies the
// default endpoint.
DefaultEndpointTemplate string
// DefaultMTLSEndpoint specifies the default mTLS endpoint.
DefaultMTLSEndpoint string
// DefaultScopes specifies the default OAuth2 scopes to be used for a
// service.
DefaultScopes []string
// SkipValidation bypasses validation on Options. It should only be used
// internally for clients that need more control over their transport.
SkipValidation bool
// SkipUniverseDomainValidation skips the verification that the universe
// domain configured for the client matches the universe domain configured
// for the credentials. It should only be used internally for clients that
// need more control over their transport. The default is false.
SkipUniverseDomainValidation bool
}
// AddAuthorizationMiddleware adds a middleware to the provided client's
// transport that sets the Authorization header with the value produced by the
// provided [cloud.google.com/go/auth.Credentials]. An error is returned only
// if client or creds is nil.
//
// This function does not support setting a universe domain value on the client.
func AddAuthorizationMiddleware(client *http.Client, creds *auth.Credentials) error {
if client == nil || creds == nil {
return fmt.Errorf("httptransport: client and tp must not be nil")
}
base := client.Transport
if base == nil {
if dt, ok := http.DefaultTransport.(*http.Transport); ok {
base = dt.Clone()
} else {
// Directly reuse the DefaultTransport if the application has
// replaced it with an implementation of RoundTripper other than
// http.Transport.
base = http.DefaultTransport
}
}
client.Transport = &authTransport{
creds: creds,
base: base,
}
return nil
}
// NewClient returns a [net/http.Client] that can be used to communicate with a
// Google cloud service, configured with the provided [Options]. It
// automatically appends Authorization headers to all outgoing requests.
func NewClient(opts *Options) (*http.Client, error) {
if err := opts.validate(); err != nil {
return nil, err
}
tOpts := &transport.Options{
Endpoint: opts.Endpoint,
ClientCertProvider: opts.ClientCertProvider,
Client: opts.client(),
UniverseDomain: opts.UniverseDomain,
Logger: opts.logger(),
}
if io := opts.InternalOptions; io != nil {
tOpts.DefaultEndpointTemplate = io.DefaultEndpointTemplate
tOpts.DefaultMTLSEndpoint = io.DefaultMTLSEndpoint
}
clientCertProvider, dialTLSContext, err := transport.GetHTTPTransportConfig(tOpts)
if err != nil {
return nil, err
}
baseRoundTripper := opts.BaseRoundTripper
if baseRoundTripper == nil {
baseRoundTripper = defaultBaseTransport(clientCertProvider, dialTLSContext)
}
// Ensure the token exchange transport uses the same ClientCertProvider as the API transport.
opts.ClientCertProvider = clientCertProvider
trans, err := newTransport(baseRoundTripper, opts)
if err != nil {
return nil, err
}
return &http.Client{
Transport: trans,
}, nil
}
// SetAuthHeader uses the provided token to set the Authorization header on a
// request. If the token.Type is empty, the type is assumed to be Bearer.
func SetAuthHeader(token *auth.Token, req *http.Request) {
typ := token.Type
if typ == "" {
typ = internal.TokenTypeBearer
}
req.Header.Set("Authorization", typ+" "+token.Value)
}
+234
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package httptransport
import (
"context"
"crypto/tls"
"net"
"net/http"
"os"
"time"
"cloud.google.com/go/auth"
"cloud.google.com/go/auth/credentials"
"cloud.google.com/go/auth/internal"
"cloud.google.com/go/auth/internal/transport"
"cloud.google.com/go/auth/internal/transport/cert"
"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
"golang.org/x/net/http2"
)
const (
quotaProjectHeaderKey = "X-goog-user-project"
)
func newTransport(base http.RoundTripper, opts *Options) (http.RoundTripper, error) {
var headers = opts.Headers
ht := &headerTransport{
base: base,
headers: headers,
}
var trans http.RoundTripper = ht
trans = addOpenTelemetryTransport(trans, opts)
switch {
case opts.DisableAuthentication:
// Do nothing.
case opts.APIKey != "":
qp := internal.GetQuotaProject(nil, opts.Headers.Get(quotaProjectHeaderKey))
if qp != "" {
if headers == nil {
headers = make(map[string][]string, 1)
}
headers.Set(quotaProjectHeaderKey, qp)
}
trans = &apiKeyTransport{
Transport: trans,
Key: opts.APIKey,
}
default:
var creds *auth.Credentials
if opts.Credentials != nil {
creds = opts.Credentials
} else {
var err error
creds, err = credentials.DetectDefault(opts.resolveDetectOptions())
if err != nil {
return nil, err
}
}
qp, err := creds.QuotaProjectID(context.Background())
if err != nil {
return nil, err
}
if qp != "" {
if headers == nil {
headers = make(map[string][]string, 1)
}
// Don't overwrite user specified quota
if v := headers.Get(quotaProjectHeaderKey); v == "" {
headers.Set(quotaProjectHeaderKey, qp)
}
}
var skipUD bool
if iOpts := opts.InternalOptions; iOpts != nil {
skipUD = iOpts.SkipUniverseDomainValidation
}
creds.TokenProvider = auth.NewCachedTokenProvider(creds.TokenProvider, nil)
trans = &authTransport{
base: trans,
creds: creds,
clientUniverseDomain: opts.UniverseDomain,
skipUniverseDomainValidation: skipUD,
}
}
return trans, nil
}
// defaultBaseTransport returns the base HTTP transport.
// On App Engine, this is urlfetch.Transport.
// Otherwise, use a default transport, taking most defaults from
// http.DefaultTransport.
// If TLSCertificate is available, set TLSClientConfig as well.
func defaultBaseTransport(clientCertSource cert.Provider, dialTLSContext func(context.Context, string, string) (net.Conn, error)) http.RoundTripper {
defaultTransport, ok := http.DefaultTransport.(*http.Transport)
if !ok {
defaultTransport = transport.BaseTransport()
}
trans := defaultTransport.Clone()
trans.MaxIdleConnsPerHost = 100
if clientCertSource != nil {
trans.TLSClientConfig = &tls.Config{
GetClientCertificate: clientCertSource,
}
}
if dialTLSContext != nil {
// If DialTLSContext is set, TLSClientConfig wil be ignored
trans.DialTLSContext = dialTLSContext
}
// Configures the ReadIdleTimeout HTTP/2 option for the
// transport. This allows broken idle connections to be pruned more quickly,
// preventing the client from attempting to re-use connections that will no
// longer work.
http2Trans, err := http2.ConfigureTransports(trans)
if err == nil {
http2Trans.ReadIdleTimeout = time.Second * 31
}
return trans
}
type apiKeyTransport struct {
// Key is the API Key to set on requests.
Key string
// Transport is the underlying HTTP transport.
// If nil, http.DefaultTransport is used.
Transport http.RoundTripper
}
func (t *apiKeyTransport) RoundTrip(req *http.Request) (*http.Response, error) {
newReq := *req
args := newReq.URL.Query()
args.Set("key", t.Key)
newReq.URL.RawQuery = args.Encode()
return t.Transport.RoundTrip(&newReq)
}
type headerTransport struct {
headers http.Header
base http.RoundTripper
}
func (t *headerTransport) RoundTrip(req *http.Request) (*http.Response, error) {
rt := t.base
newReq := *req
newReq.Header = make(http.Header)
for k, vv := range req.Header {
newReq.Header[k] = vv
}
for k, v := range t.headers {
newReq.Header[k] = v
}
return rt.RoundTrip(&newReq)
}
func addOpenTelemetryTransport(trans http.RoundTripper, opts *Options) http.RoundTripper {
if opts.DisableTelemetry {
return trans
}
return otelhttp.NewTransport(trans)
}
type authTransport struct {
creds *auth.Credentials
base http.RoundTripper
clientUniverseDomain string
skipUniverseDomainValidation bool
}
// getClientUniverseDomain returns the default service domain for a given Cloud
// universe, with the following precedence:
//
// 1. A non-empty option.WithUniverseDomain or similar client option.
// 2. A non-empty environment variable GOOGLE_CLOUD_UNIVERSE_DOMAIN.
// 3. The default value "googleapis.com".
//
// This is the universe domain configured for the client, which will be compared
// to the universe domain that is separately configured for the credentials.
func (t *authTransport) getClientUniverseDomain() string {
if t.clientUniverseDomain != "" {
return t.clientUniverseDomain
}
if envUD := os.Getenv(internal.UniverseDomainEnvVar); envUD != "" {
return envUD
}
return internal.DefaultUniverseDomain
}
// RoundTrip authorizes and authenticates the request with an
// access token from Transport's Source. Per the RoundTripper contract we must
// not modify the initial request, so we clone it, and we must close the body
// on any errors that happens during our token logic.
func (t *authTransport) RoundTrip(req *http.Request) (*http.Response, error) {
reqBodyClosed := false
if req.Body != nil {
defer func() {
if !reqBodyClosed {
req.Body.Close()
}
}()
}
token, err := t.creds.Token(req.Context())
if err != nil {
return nil, err
}
if !t.skipUniverseDomainValidation && token.MetadataString("auth.google.tokenSource") != "compute-metadata" {
credentialsUniverseDomain, err := t.creds.UniverseDomain(req.Context())
if err != nil {
return nil, err
}
if err := transport.ValidateUniverseDomain(t.getClientUniverseDomain(), credentialsUniverseDomain); err != nil {
return nil, err
}
}
req2 := req.Clone(req.Context())
SetAuthHeader(token, req2)
reqBodyClosed = true
return t.base.RoundTrip(req2)
}
+65
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// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package compute
import (
"log"
"runtime"
"strings"
"sync"
)
var (
vmOnGCEOnce sync.Once
vmOnGCE bool
)
// OnComputeEngine returns whether the client is running on GCE.
//
// This is a copy of the gRPC internal googlecloud.OnGCE() func at:
// https://github.com/grpc/grpc-go/blob/master/internal/googlecloud/googlecloud.go
// The functionality is similar to the metadata.OnGCE() func at:
// https://github.com/googleapis/google-cloud-go/blob/main/compute/metadata/metadata.go
// The difference is that OnComputeEngine() does not perform HTTP or DNS check on the metadata server.
// In particular, OnComputeEngine() will return false on Serverless.
func OnComputeEngine() bool {
vmOnGCEOnce.Do(func() {
mf, err := manufacturer()
if err != nil {
log.Printf("Failed to read manufacturer, vmOnGCE=false: %v", err)
return
}
vmOnGCE = isRunningOnGCE(mf, runtime.GOOS)
})
return vmOnGCE
}
// isRunningOnGCE checks whether the local system, without doing a network request, is
// running on GCP.
func isRunningOnGCE(manufacturer []byte, goos string) bool {
name := string(manufacturer)
switch goos {
case "linux":
name = strings.TrimSpace(name)
return name == "Google" || name == "Google Compute Engine"
case "windows":
name = strings.Replace(name, " ", "", -1)
name = strings.Replace(name, "\n", "", -1)
name = strings.Replace(name, "\r", "", -1)
return name == "Google"
default:
return false
}
}
+22
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//go:build !(linux || windows)
// +build !linux,!windows
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package compute
func manufacturer() ([]byte, error) {
return nil, nil
}
+23
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// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package compute
import "os"
const linuxProductNameFile = "/sys/class/dmi/id/product_name"
func manufacturer() ([]byte, error) {
return os.ReadFile(linuxProductNameFile)
}
@@ -0,0 +1,46 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package compute
import (
"errors"
"os/exec"
"regexp"
"strings"
)
const (
windowsCheckCommand = "powershell.exe"
windowsCheckCommandArgs = "Get-WmiObject -Class Win32_BIOS"
powershellOutputFilter = "Manufacturer"
windowsManufacturerRegex = ":(.*)"
)
func manufacturer() ([]byte, error) {
cmd := exec.Command(windowsCheckCommand, windowsCheckCommandArgs)
out, err := cmd.Output()
if err != nil {
return nil, err
}
for _, line := range strings.Split(strings.TrimSuffix(string(out), "\n"), "\n") {
if strings.HasPrefix(line, powershellOutputFilter) {
re := regexp.MustCompile(windowsManufacturerRegex)
name := re.FindString(line)
name = strings.TrimLeft(name, ":")
return []byte(name), nil
}
}
return nil, errors.New("cannot determine the machine's manufacturer")
}
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package credsfile is meant to hide implementation details from the pubic
// surface of the detect package. It should not import any other packages in
// this module. It is located under the main internal package so other
// sub-packages can use these parsed types as well.
package credsfile
import (
"os"
"os/user"
"path/filepath"
"runtime"
)
const (
// GoogleAppCredsEnvVar is the environment variable for setting the
// application default credentials.
GoogleAppCredsEnvVar = "GOOGLE_APPLICATION_CREDENTIALS"
userCredsFilename = "application_default_credentials.json"
)
// CredentialType represents different credential filetypes Google credentials
// can be.
type CredentialType int
const (
// UnknownCredType is an unidentified file type.
UnknownCredType CredentialType = iota
// UserCredentialsKey represents a user creds file type.
UserCredentialsKey
// ServiceAccountKey represents a service account file type.
ServiceAccountKey
// ImpersonatedServiceAccountKey represents a impersonated service account
// file type.
ImpersonatedServiceAccountKey
// ExternalAccountKey represents a external account file type.
ExternalAccountKey
// GDCHServiceAccountKey represents a GDCH file type.
GDCHServiceAccountKey
// ExternalAccountAuthorizedUserKey represents a external account authorized
// user file type.
ExternalAccountAuthorizedUserKey
)
// parseCredentialType returns the associated filetype based on the parsed
// typeString provided.
func parseCredentialType(typeString string) CredentialType {
switch typeString {
case "service_account":
return ServiceAccountKey
case "authorized_user":
return UserCredentialsKey
case "impersonated_service_account":
return ImpersonatedServiceAccountKey
case "external_account":
return ExternalAccountKey
case "external_account_authorized_user":
return ExternalAccountAuthorizedUserKey
case "gdch_service_account":
return GDCHServiceAccountKey
default:
return UnknownCredType
}
}
// GetFileNameFromEnv returns the override if provided or detects a filename
// from the environment.
func GetFileNameFromEnv(override string) string {
if override != "" {
return override
}
return os.Getenv(GoogleAppCredsEnvVar)
}
// GetWellKnownFileName tries to locate the filepath for the user credential
// file based on the environment.
func GetWellKnownFileName() string {
if runtime.GOOS == "windows" {
return filepath.Join(os.Getenv("APPDATA"), "gcloud", userCredsFilename)
}
return filepath.Join(guessUnixHomeDir(), ".config", "gcloud", userCredsFilename)
}
// guessUnixHomeDir default to checking for HOME, but not all unix systems have
// this set, do have a fallback.
func guessUnixHomeDir() string {
if v := os.Getenv("HOME"); v != "" {
return v
}
if u, err := user.Current(); err == nil {
return u.HomeDir
}
return ""
}
+157
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package credsfile
import (
"encoding/json"
)
// Config3LO is the internals of a client creds file.
type Config3LO struct {
ClientID string `json:"client_id"`
ClientSecret string `json:"client_secret"`
RedirectURIs []string `json:"redirect_uris"`
AuthURI string `json:"auth_uri"`
TokenURI string `json:"token_uri"`
}
// ClientCredentialsFile representation.
type ClientCredentialsFile struct {
Web *Config3LO `json:"web"`
Installed *Config3LO `json:"installed"`
UniverseDomain string `json:"universe_domain"`
}
// ServiceAccountFile representation.
type ServiceAccountFile struct {
Type string `json:"type"`
ProjectID string `json:"project_id"`
PrivateKeyID string `json:"private_key_id"`
PrivateKey string `json:"private_key"`
ClientEmail string `json:"client_email"`
ClientID string `json:"client_id"`
AuthURL string `json:"auth_uri"`
TokenURL string `json:"token_uri"`
UniverseDomain string `json:"universe_domain"`
}
// UserCredentialsFile representation.
type UserCredentialsFile struct {
Type string `json:"type"`
ClientID string `json:"client_id"`
ClientSecret string `json:"client_secret"`
QuotaProjectID string `json:"quota_project_id"`
RefreshToken string `json:"refresh_token"`
UniverseDomain string `json:"universe_domain"`
}
// ExternalAccountFile representation.
type ExternalAccountFile struct {
Type string `json:"type"`
ClientID string `json:"client_id"`
ClientSecret string `json:"client_secret"`
Audience string `json:"audience"`
SubjectTokenType string `json:"subject_token_type"`
ServiceAccountImpersonationURL string `json:"service_account_impersonation_url"`
TokenURL string `json:"token_url"`
CredentialSource *CredentialSource `json:"credential_source,omitempty"`
TokenInfoURL string `json:"token_info_url"`
ServiceAccountImpersonation *ServiceAccountImpersonationInfo `json:"service_account_impersonation,omitempty"`
QuotaProjectID string `json:"quota_project_id"`
WorkforcePoolUserProject string `json:"workforce_pool_user_project"`
UniverseDomain string `json:"universe_domain"`
}
// ExternalAccountAuthorizedUserFile representation.
type ExternalAccountAuthorizedUserFile struct {
Type string `json:"type"`
Audience string `json:"audience"`
ClientID string `json:"client_id"`
ClientSecret string `json:"client_secret"`
RefreshToken string `json:"refresh_token"`
TokenURL string `json:"token_url"`
TokenInfoURL string `json:"token_info_url"`
RevokeURL string `json:"revoke_url"`
QuotaProjectID string `json:"quota_project_id"`
UniverseDomain string `json:"universe_domain"`
}
// CredentialSource stores the information necessary to retrieve the credentials for the STS exchange.
//
// One field amongst File, URL, Certificate, and Executable should be filled, depending on the kind of credential in question.
// The EnvironmentID should start with AWS if being used for an AWS credential.
type CredentialSource struct {
File string `json:"file"`
URL string `json:"url"`
Headers map[string]string `json:"headers"`
Executable *ExecutableConfig `json:"executable,omitempty"`
Certificate *CertificateConfig `json:"certificate"`
EnvironmentID string `json:"environment_id"` // TODO: Make type for this
RegionURL string `json:"region_url"`
RegionalCredVerificationURL string `json:"regional_cred_verification_url"`
CredVerificationURL string `json:"cred_verification_url"`
IMDSv2SessionTokenURL string `json:"imdsv2_session_token_url"`
Format *Format `json:"format,omitempty"`
}
// Format describes the format of a [CredentialSource].
type Format struct {
// Type is either "text" or "json". When not provided "text" type is assumed.
Type string `json:"type"`
// SubjectTokenFieldName is only required for JSON format. This would be "access_token" for azure.
SubjectTokenFieldName string `json:"subject_token_field_name"`
}
// ExecutableConfig represents the command to run for an executable
// [CredentialSource].
type ExecutableConfig struct {
Command string `json:"command"`
TimeoutMillis int `json:"timeout_millis"`
OutputFile string `json:"output_file"`
}
// CertificateConfig represents the options used to set up X509 based workload
// [CredentialSource]
type CertificateConfig struct {
UseDefaultCertificateConfig bool `json:"use_default_certificate_config"`
CertificateConfigLocation string `json:"certificate_config_location"`
}
// ServiceAccountImpersonationInfo has impersonation configuration.
type ServiceAccountImpersonationInfo struct {
TokenLifetimeSeconds int `json:"token_lifetime_seconds"`
}
// ImpersonatedServiceAccountFile representation.
type ImpersonatedServiceAccountFile struct {
Type string `json:"type"`
ServiceAccountImpersonationURL string `json:"service_account_impersonation_url"`
Delegates []string `json:"delegates"`
CredSource json.RawMessage `json:"source_credentials"`
UniverseDomain string `json:"universe_domain"`
}
// GDCHServiceAccountFile represents the Google Distributed Cloud Hosted (GDCH) service identity file.
type GDCHServiceAccountFile struct {
Type string `json:"type"`
FormatVersion string `json:"format_version"`
Project string `json:"project"`
Name string `json:"name"`
CertPath string `json:"ca_cert_path"`
PrivateKeyID string `json:"private_key_id"`
PrivateKey string `json:"private_key"`
TokenURL string `json:"token_uri"`
UniverseDomain string `json:"universe_domain"`
}
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package credsfile
import (
"encoding/json"
)
// ParseServiceAccount parses bytes into a [ServiceAccountFile].
func ParseServiceAccount(b []byte) (*ServiceAccountFile, error) {
var f *ServiceAccountFile
if err := json.Unmarshal(b, &f); err != nil {
return nil, err
}
return f, nil
}
// ParseClientCredentials parses bytes into a
// [credsfile.ClientCredentialsFile].
func ParseClientCredentials(b []byte) (*ClientCredentialsFile, error) {
var f *ClientCredentialsFile
if err := json.Unmarshal(b, &f); err != nil {
return nil, err
}
return f, nil
}
// ParseUserCredentials parses bytes into a [UserCredentialsFile].
func ParseUserCredentials(b []byte) (*UserCredentialsFile, error) {
var f *UserCredentialsFile
if err := json.Unmarshal(b, &f); err != nil {
return nil, err
}
return f, nil
}
// ParseExternalAccount parses bytes into a [ExternalAccountFile].
func ParseExternalAccount(b []byte) (*ExternalAccountFile, error) {
var f *ExternalAccountFile
if err := json.Unmarshal(b, &f); err != nil {
return nil, err
}
return f, nil
}
// ParseExternalAccountAuthorizedUser parses bytes into a
// [ExternalAccountAuthorizedUserFile].
func ParseExternalAccountAuthorizedUser(b []byte) (*ExternalAccountAuthorizedUserFile, error) {
var f *ExternalAccountAuthorizedUserFile
if err := json.Unmarshal(b, &f); err != nil {
return nil, err
}
return f, nil
}
// ParseImpersonatedServiceAccount parses bytes into a
// [ImpersonatedServiceAccountFile].
func ParseImpersonatedServiceAccount(b []byte) (*ImpersonatedServiceAccountFile, error) {
var f *ImpersonatedServiceAccountFile
if err := json.Unmarshal(b, &f); err != nil {
return nil, err
}
return f, nil
}
// ParseGDCHServiceAccount parses bytes into a [GDCHServiceAccountFile].
func ParseGDCHServiceAccount(b []byte) (*GDCHServiceAccountFile, error) {
var f *GDCHServiceAccountFile
if err := json.Unmarshal(b, &f); err != nil {
return nil, err
}
return f, nil
}
type fileTypeChecker struct {
Type string `json:"type"`
}
// ParseFileType determines the [CredentialType] based on bytes provided.
func ParseFileType(b []byte) (CredentialType, error) {
var f fileTypeChecker
if err := json.Unmarshal(b, &f); err != nil {
return 0, err
}
return parseCredentialType(f.Type), nil
}
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package internal
import (
"context"
"crypto"
"crypto/x509"
"encoding/json"
"encoding/pem"
"errors"
"fmt"
"io"
"net/http"
"os"
"sync"
"time"
"cloud.google.com/go/compute/metadata"
)
const (
// TokenTypeBearer is the auth header prefix for bearer tokens.
TokenTypeBearer = "Bearer"
// QuotaProjectEnvVar is the environment variable for setting the quota
// project.
QuotaProjectEnvVar = "GOOGLE_CLOUD_QUOTA_PROJECT"
// UniverseDomainEnvVar is the environment variable for setting the default
// service domain for a given Cloud universe.
UniverseDomainEnvVar = "GOOGLE_CLOUD_UNIVERSE_DOMAIN"
projectEnvVar = "GOOGLE_CLOUD_PROJECT"
maxBodySize = 1 << 20
// DefaultUniverseDomain is the default value for universe domain.
// Universe domain is the default service domain for a given Cloud universe.
DefaultUniverseDomain = "googleapis.com"
)
type clonableTransport interface {
Clone() *http.Transport
}
// DefaultClient returns an [http.Client] with some defaults set. If
// the current [http.DefaultTransport] is a [clonableTransport], as
// is the case for an [*http.Transport], the clone will be used.
// Otherwise the [http.DefaultTransport] is used directly.
func DefaultClient() *http.Client {
if transport, ok := http.DefaultTransport.(clonableTransport); ok {
return &http.Client{
Transport: transport.Clone(),
Timeout: 30 * time.Second,
}
}
return &http.Client{
Transport: http.DefaultTransport,
Timeout: 30 * time.Second,
}
}
// ParseKey converts the binary contents of a private key file
// to an crypto.Signer. It detects whether the private key is in a
// PEM container or not. If so, it extracts the the private key
// from PEM container before conversion. It only supports PEM
// containers with no passphrase.
func ParseKey(key []byte) (crypto.Signer, error) {
block, _ := pem.Decode(key)
if block != nil {
key = block.Bytes
}
var parsedKey crypto.PrivateKey
var err error
parsedKey, err = x509.ParsePKCS8PrivateKey(key)
if err != nil {
parsedKey, err = x509.ParsePKCS1PrivateKey(key)
if err != nil {
return nil, fmt.Errorf("private key should be a PEM or plain PKCS1 or PKCS8: %w", err)
}
}
parsed, ok := parsedKey.(crypto.Signer)
if !ok {
return nil, errors.New("private key is not a signer")
}
return parsed, nil
}
// GetQuotaProject retrieves quota project with precedence being: override,
// environment variable, creds json file.
func GetQuotaProject(b []byte, override string) string {
if override != "" {
return override
}
if env := os.Getenv(QuotaProjectEnvVar); env != "" {
return env
}
if b == nil {
return ""
}
var v struct {
QuotaProject string `json:"quota_project_id"`
}
if err := json.Unmarshal(b, &v); err != nil {
return ""
}
return v.QuotaProject
}
// GetProjectID retrieves project with precedence being: override,
// environment variable, creds json file.
func GetProjectID(b []byte, override string) string {
if override != "" {
return override
}
if env := os.Getenv(projectEnvVar); env != "" {
return env
}
if b == nil {
return ""
}
var v struct {
ProjectID string `json:"project_id"` // standard service account key
Project string `json:"project"` // gdch key
}
if err := json.Unmarshal(b, &v); err != nil {
return ""
}
if v.ProjectID != "" {
return v.ProjectID
}
return v.Project
}
// DoRequest executes the provided req with the client. It reads the response
// body, closes it, and returns it.
func DoRequest(client *http.Client, req *http.Request) (*http.Response, []byte, error) {
resp, err := client.Do(req)
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
body, err := ReadAll(io.LimitReader(resp.Body, maxBodySize))
if err != nil {
return nil, nil, err
}
return resp, body, nil
}
// ReadAll consumes the whole reader and safely reads the content of its body
// with some overflow protection.
func ReadAll(r io.Reader) ([]byte, error) {
return io.ReadAll(io.LimitReader(r, maxBodySize))
}
// StaticCredentialsProperty is a helper for creating static credentials
// properties.
func StaticCredentialsProperty(s string) StaticProperty {
return StaticProperty(s)
}
// StaticProperty always returns that value of the underlying string.
type StaticProperty string
// GetProperty loads the properly value provided the given context.
func (p StaticProperty) GetProperty(context.Context) (string, error) {
return string(p), nil
}
// ComputeUniverseDomainProvider fetches the credentials universe domain from
// the google cloud metadata service.
type ComputeUniverseDomainProvider struct {
MetadataClient *metadata.Client
universeDomainOnce sync.Once
universeDomain string
universeDomainErr error
}
// GetProperty fetches the credentials universe domain from the google cloud
// metadata service.
func (c *ComputeUniverseDomainProvider) GetProperty(ctx context.Context) (string, error) {
c.universeDomainOnce.Do(func() {
c.universeDomain, c.universeDomainErr = getMetadataUniverseDomain(ctx, c.MetadataClient)
})
if c.universeDomainErr != nil {
return "", c.universeDomainErr
}
return c.universeDomain, nil
}
// httpGetMetadataUniverseDomain is a package var for unit test substitution.
var httpGetMetadataUniverseDomain = func(ctx context.Context, client *metadata.Client) (string, error) {
ctx, cancel := context.WithTimeout(ctx, 1*time.Second)
defer cancel()
return client.GetWithContext(ctx, "universe/universe-domain")
}
func getMetadataUniverseDomain(ctx context.Context, client *metadata.Client) (string, error) {
universeDomain, err := httpGetMetadataUniverseDomain(ctx, client)
if err == nil {
return universeDomain, nil
}
if _, ok := err.(metadata.NotDefinedError); ok {
// http.StatusNotFound (404)
return DefaultUniverseDomain, nil
}
return "", err
}
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package jwt
import (
"bytes"
"crypto"
"crypto/rand"
"crypto/rsa"
"crypto/sha256"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"strings"
"time"
)
const (
// HeaderAlgRSA256 is the RS256 [Header.Algorithm].
HeaderAlgRSA256 = "RS256"
// HeaderAlgES256 is the ES256 [Header.Algorithm].
HeaderAlgES256 = "ES256"
// HeaderType is the standard [Header.Type].
HeaderType = "JWT"
)
// Header represents a JWT header.
type Header struct {
Algorithm string `json:"alg"`
Type string `json:"typ"`
KeyID string `json:"kid"`
}
func (h *Header) encode() (string, error) {
b, err := json.Marshal(h)
if err != nil {
return "", err
}
return base64.RawURLEncoding.EncodeToString(b), nil
}
// Claims represents the claims set of a JWT.
type Claims struct {
// Iss is the issuer JWT claim.
Iss string `json:"iss"`
// Scope is the scope JWT claim.
Scope string `json:"scope,omitempty"`
// Exp is the expiry JWT claim. If unset, default is in one hour from now.
Exp int64 `json:"exp"`
// Iat is the subject issued at claim. If unset, default is now.
Iat int64 `json:"iat"`
// Aud is the audience JWT claim. Optional.
Aud string `json:"aud"`
// Sub is the subject JWT claim. Optional.
Sub string `json:"sub,omitempty"`
// AdditionalClaims contains any additional non-standard JWT claims. Optional.
AdditionalClaims map[string]interface{} `json:"-"`
}
func (c *Claims) encode() (string, error) {
// Compensate for skew
now := time.Now().Add(-10 * time.Second)
if c.Iat == 0 {
c.Iat = now.Unix()
}
if c.Exp == 0 {
c.Exp = now.Add(time.Hour).Unix()
}
if c.Exp < c.Iat {
return "", fmt.Errorf("jwt: invalid Exp = %d; must be later than Iat = %d", c.Exp, c.Iat)
}
b, err := json.Marshal(c)
if err != nil {
return "", err
}
if len(c.AdditionalClaims) == 0 {
return base64.RawURLEncoding.EncodeToString(b), nil
}
// Marshal private claim set and then append it to b.
prv, err := json.Marshal(c.AdditionalClaims)
if err != nil {
return "", fmt.Errorf("invalid map of additional claims %v: %w", c.AdditionalClaims, err)
}
// Concatenate public and private claim JSON objects.
if !bytes.HasSuffix(b, []byte{'}'}) {
return "", fmt.Errorf("invalid JSON %s", b)
}
if !bytes.HasPrefix(prv, []byte{'{'}) {
return "", fmt.Errorf("invalid JSON %s", prv)
}
b[len(b)-1] = ',' // Replace closing curly brace with a comma.
b = append(b, prv[1:]...) // Append private claims.
return base64.RawURLEncoding.EncodeToString(b), nil
}
// EncodeJWS encodes the data using the provided key as a JSON web signature.
func EncodeJWS(header *Header, c *Claims, signer crypto.Signer) (string, error) {
head, err := header.encode()
if err != nil {
return "", err
}
claims, err := c.encode()
if err != nil {
return "", err
}
ss := fmt.Sprintf("%s.%s", head, claims)
h := sha256.New()
h.Write([]byte(ss))
sig, err := signer.Sign(rand.Reader, h.Sum(nil), crypto.SHA256)
if err != nil {
return "", err
}
return fmt.Sprintf("%s.%s", ss, base64.RawURLEncoding.EncodeToString(sig)), nil
}
// DecodeJWS decodes a claim set from a JWS payload.
func DecodeJWS(payload string) (*Claims, error) {
// decode returned id token to get expiry
s := strings.Split(payload, ".")
if len(s) < 2 {
return nil, errors.New("invalid token received")
}
decoded, err := base64.RawURLEncoding.DecodeString(s[1])
if err != nil {
return nil, err
}
c := &Claims{}
if err := json.NewDecoder(bytes.NewBuffer(decoded)).Decode(c); err != nil {
return nil, err
}
if err := json.NewDecoder(bytes.NewBuffer(decoded)).Decode(&c.AdditionalClaims); err != nil {
return nil, err
}
return c, err
}
// VerifyJWS tests whether the provided JWT token's signature was produced by
// the private key associated with the provided public key.
func VerifyJWS(token string, key *rsa.PublicKey) error {
parts := strings.Split(token, ".")
if len(parts) != 3 {
return errors.New("jwt: invalid token received, token must have 3 parts")
}
signedContent := parts[0] + "." + parts[1]
signatureString, err := base64.RawURLEncoding.DecodeString(parts[2])
if err != nil {
return err
}
h := sha256.New()
h.Write([]byte(signedContent))
return rsa.VerifyPKCS1v15(key, crypto.SHA256, h.Sum(nil), signatureString)
}
+368
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package transport
import (
"context"
"crypto/tls"
"crypto/x509"
"errors"
"log"
"log/slog"
"net"
"net/http"
"net/url"
"os"
"strconv"
"strings"
"cloud.google.com/go/auth/internal"
"cloud.google.com/go/auth/internal/transport/cert"
"github.com/google/s2a-go"
"github.com/google/s2a-go/fallback"
"google.golang.org/grpc/credentials"
)
const (
mTLSModeAlways = "always"
mTLSModeNever = "never"
mTLSModeAuto = "auto"
// Experimental: if true, the code will try MTLS with S2A as the default for transport security. Default value is false.
googleAPIUseS2AEnv = "EXPERIMENTAL_GOOGLE_API_USE_S2A"
googleAPIUseCertSource = "GOOGLE_API_USE_CLIENT_CERTIFICATE"
googleAPIUseMTLS = "GOOGLE_API_USE_MTLS_ENDPOINT"
googleAPIUseMTLSOld = "GOOGLE_API_USE_MTLS"
universeDomainPlaceholder = "UNIVERSE_DOMAIN"
mtlsMDSRoot = "/run/google-mds-mtls/root.crt"
mtlsMDSKey = "/run/google-mds-mtls/client.key"
)
// Options is a struct that is duplicated information from the individual
// transport packages in order to avoid cyclic deps. It correlates 1:1 with
// fields on httptransport.Options and grpctransport.Options.
type Options struct {
Endpoint string
DefaultEndpointTemplate string
DefaultMTLSEndpoint string
ClientCertProvider cert.Provider
Client *http.Client
UniverseDomain string
EnableDirectPath bool
EnableDirectPathXds bool
Logger *slog.Logger
}
// getUniverseDomain returns the default service domain for a given Cloud
// universe.
func (o *Options) getUniverseDomain() string {
if o.UniverseDomain == "" {
return internal.DefaultUniverseDomain
}
return o.UniverseDomain
}
// isUniverseDomainGDU returns true if the universe domain is the default Google
// universe.
func (o *Options) isUniverseDomainGDU() bool {
return o.getUniverseDomain() == internal.DefaultUniverseDomain
}
// defaultEndpoint returns the DefaultEndpointTemplate merged with the
// universe domain if the DefaultEndpointTemplate is set, otherwise returns an
// empty string.
func (o *Options) defaultEndpoint() string {
if o.DefaultEndpointTemplate == "" {
return ""
}
return strings.Replace(o.DefaultEndpointTemplate, universeDomainPlaceholder, o.getUniverseDomain(), 1)
}
// defaultMTLSEndpoint returns the DefaultMTLSEndpointTemplate merged with the
// universe domain if the DefaultMTLSEndpointTemplate is set, otherwise returns an
// empty string.
func (o *Options) defaultMTLSEndpoint() string {
if o.DefaultMTLSEndpoint == "" {
return ""
}
return strings.Replace(o.DefaultMTLSEndpoint, universeDomainPlaceholder, o.getUniverseDomain(), 1)
}
// mergedEndpoint merges a user-provided Endpoint of format host[:port] with the
// default endpoint.
func (o *Options) mergedEndpoint() (string, error) {
defaultEndpoint := o.defaultEndpoint()
u, err := url.Parse(fixScheme(defaultEndpoint))
if err != nil {
return "", err
}
return strings.Replace(defaultEndpoint, u.Host, o.Endpoint, 1), nil
}
func fixScheme(baseURL string) string {
if !strings.Contains(baseURL, "://") {
baseURL = "https://" + baseURL
}
return baseURL
}
// GetGRPCTransportCredsAndEndpoint returns an instance of
// [google.golang.org/grpc/credentials.TransportCredentials], and the
// corresponding endpoint to use for GRPC client.
func GetGRPCTransportCredsAndEndpoint(opts *Options) (credentials.TransportCredentials, string, error) {
config, err := getTransportConfig(opts)
if err != nil {
return nil, "", err
}
defaultTransportCreds := credentials.NewTLS(&tls.Config{
GetClientCertificate: config.clientCertSource,
})
var s2aAddr string
var transportCredsForS2A credentials.TransportCredentials
if config.mtlsS2AAddress != "" {
s2aAddr = config.mtlsS2AAddress
transportCredsForS2A, err = loadMTLSMDSTransportCreds(mtlsMDSRoot, mtlsMDSKey)
if err != nil {
log.Printf("Loading MTLS MDS credentials failed: %v", err)
if config.s2aAddress != "" {
s2aAddr = config.s2aAddress
} else {
return defaultTransportCreds, config.endpoint, nil
}
}
} else if config.s2aAddress != "" {
s2aAddr = config.s2aAddress
} else {
return defaultTransportCreds, config.endpoint, nil
}
var fallbackOpts *s2a.FallbackOptions
// In case of S2A failure, fall back to the endpoint that would've been used without S2A.
if fallbackHandshake, err := fallback.DefaultFallbackClientHandshakeFunc(config.endpoint); err == nil {
fallbackOpts = &s2a.FallbackOptions{
FallbackClientHandshakeFunc: fallbackHandshake,
}
}
s2aTransportCreds, err := s2a.NewClientCreds(&s2a.ClientOptions{
S2AAddress: s2aAddr,
TransportCreds: transportCredsForS2A,
FallbackOpts: fallbackOpts,
})
if err != nil {
// Use default if we cannot initialize S2A client transport credentials.
return defaultTransportCreds, config.endpoint, nil
}
return s2aTransportCreds, config.s2aMTLSEndpoint, nil
}
// GetHTTPTransportConfig returns a client certificate source and a function for
// dialing MTLS with S2A.
func GetHTTPTransportConfig(opts *Options) (cert.Provider, func(context.Context, string, string) (net.Conn, error), error) {
config, err := getTransportConfig(opts)
if err != nil {
return nil, nil, err
}
var s2aAddr string
var transportCredsForS2A credentials.TransportCredentials
if config.mtlsS2AAddress != "" {
s2aAddr = config.mtlsS2AAddress
transportCredsForS2A, err = loadMTLSMDSTransportCreds(mtlsMDSRoot, mtlsMDSKey)
if err != nil {
log.Printf("Loading MTLS MDS credentials failed: %v", err)
if config.s2aAddress != "" {
s2aAddr = config.s2aAddress
} else {
return config.clientCertSource, nil, nil
}
}
} else if config.s2aAddress != "" {
s2aAddr = config.s2aAddress
} else {
return config.clientCertSource, nil, nil
}
var fallbackOpts *s2a.FallbackOptions
// In case of S2A failure, fall back to the endpoint that would've been used without S2A.
if fallbackURL, err := url.Parse(config.endpoint); err == nil {
if fallbackDialer, fallbackServerAddr, err := fallback.DefaultFallbackDialerAndAddress(fallbackURL.Hostname()); err == nil {
fallbackOpts = &s2a.FallbackOptions{
FallbackDialer: &s2a.FallbackDialer{
Dialer: fallbackDialer,
ServerAddr: fallbackServerAddr,
},
}
}
}
dialTLSContextFunc := s2a.NewS2ADialTLSContextFunc(&s2a.ClientOptions{
S2AAddress: s2aAddr,
TransportCreds: transportCredsForS2A,
FallbackOpts: fallbackOpts,
})
return nil, dialTLSContextFunc, nil
}
func loadMTLSMDSTransportCreds(mtlsMDSRootFile, mtlsMDSKeyFile string) (credentials.TransportCredentials, error) {
rootPEM, err := os.ReadFile(mtlsMDSRootFile)
if err != nil {
return nil, err
}
caCertPool := x509.NewCertPool()
ok := caCertPool.AppendCertsFromPEM(rootPEM)
if !ok {
return nil, errors.New("failed to load MTLS MDS root certificate")
}
// The mTLS MDS credentials are formatted as the concatenation of a PEM-encoded certificate chain
// followed by a PEM-encoded private key. For this reason, the concatenation is passed in to the
// tls.X509KeyPair function as both the certificate chain and private key arguments.
cert, err := tls.LoadX509KeyPair(mtlsMDSKeyFile, mtlsMDSKeyFile)
if err != nil {
return nil, err
}
tlsConfig := tls.Config{
RootCAs: caCertPool,
Certificates: []tls.Certificate{cert},
MinVersion: tls.VersionTLS13,
}
return credentials.NewTLS(&tlsConfig), nil
}
func getTransportConfig(opts *Options) (*transportConfig, error) {
clientCertSource, err := GetClientCertificateProvider(opts)
if err != nil {
return nil, err
}
endpoint, err := getEndpoint(opts, clientCertSource)
if err != nil {
return nil, err
}
defaultTransportConfig := transportConfig{
clientCertSource: clientCertSource,
endpoint: endpoint,
}
if !shouldUseS2A(clientCertSource, opts) {
return &defaultTransportConfig, nil
}
s2aAddress := GetS2AAddress(opts.Logger)
mtlsS2AAddress := GetMTLSS2AAddress(opts.Logger)
if s2aAddress == "" && mtlsS2AAddress == "" {
return &defaultTransportConfig, nil
}
return &transportConfig{
clientCertSource: clientCertSource,
endpoint: endpoint,
s2aAddress: s2aAddress,
mtlsS2AAddress: mtlsS2AAddress,
s2aMTLSEndpoint: opts.defaultMTLSEndpoint(),
}, nil
}
// GetClientCertificateProvider returns a default client certificate source, if
// not provided by the user.
//
// A nil default source can be returned if the source does not exist. Any exceptions
// encountered while initializing the default source will be reported as client
// error (ex. corrupt metadata file).
func GetClientCertificateProvider(opts *Options) (cert.Provider, error) {
if !isClientCertificateEnabled(opts) {
return nil, nil
} else if opts.ClientCertProvider != nil {
return opts.ClientCertProvider, nil
}
return cert.DefaultProvider()
}
// isClientCertificateEnabled returns true by default for all GDU universe domain, unless explicitly overridden by env var
func isClientCertificateEnabled(opts *Options) bool {
if value, ok := os.LookupEnv(googleAPIUseCertSource); ok {
// error as false is OK
b, _ := strconv.ParseBool(value)
return b
}
return opts.isUniverseDomainGDU()
}
type transportConfig struct {
// The client certificate source.
clientCertSource cert.Provider
// The corresponding endpoint to use based on client certificate source.
endpoint string
// The plaintext S2A address if it can be used, otherwise an empty string.
s2aAddress string
// The MTLS S2A address if it can be used, otherwise an empty string.
mtlsS2AAddress string
// The MTLS endpoint to use with S2A.
s2aMTLSEndpoint string
}
// getEndpoint returns the endpoint for the service, taking into account the
// user-provided endpoint override "settings.Endpoint".
//
// If no endpoint override is specified, we will either return the default
// endpoint or the default mTLS endpoint if a client certificate is available.
//
// You can override the default endpoint choice (mTLS vs. regular) by setting
// the GOOGLE_API_USE_MTLS_ENDPOINT environment variable.
//
// If the endpoint override is an address (host:port) rather than full base
// URL (ex. https://...), then the user-provided address will be merged into
// the default endpoint. For example, WithEndpoint("myhost:8000") and
// DefaultEndpointTemplate("https://UNIVERSE_DOMAIN/bar/baz") will return
// "https://myhost:8080/bar/baz". Note that this does not apply to the mTLS
// endpoint.
func getEndpoint(opts *Options, clientCertSource cert.Provider) (string, error) {
if opts.Endpoint == "" {
mtlsMode := getMTLSMode()
if mtlsMode == mTLSModeAlways || (clientCertSource != nil && mtlsMode == mTLSModeAuto) {
return opts.defaultMTLSEndpoint(), nil
}
return opts.defaultEndpoint(), nil
}
if strings.Contains(opts.Endpoint, "://") {
// User passed in a full URL path, use it verbatim.
return opts.Endpoint, nil
}
if opts.defaultEndpoint() == "" {
// If DefaultEndpointTemplate is not configured,
// use the user provided endpoint verbatim. This allows a naked
// "host[:port]" URL to be used with GRPC Direct Path.
return opts.Endpoint, nil
}
// Assume user-provided endpoint is host[:port], merge it with the default endpoint.
return opts.mergedEndpoint()
}
func getMTLSMode() string {
mode := os.Getenv(googleAPIUseMTLS)
if mode == "" {
mode = os.Getenv(googleAPIUseMTLSOld) // Deprecated.
}
if mode == "" {
return mTLSModeAuto
}
return strings.ToLower(mode)
}
@@ -0,0 +1,65 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cert
import (
"crypto/tls"
"errors"
"sync"
)
// defaultCertData holds all the variables pertaining to
// the default certificate provider created by [DefaultProvider].
//
// A singleton model is used to allow the provider to be reused
// by the transport layer. As mentioned in [DefaultProvider] (provider nil, nil)
// may be returned to indicate a default provider could not be found, which
// will skip extra tls config in the transport layer .
type defaultCertData struct {
once sync.Once
provider Provider
err error
}
var (
defaultCert defaultCertData
)
// Provider is a function that can be passed into crypto/tls.Config.GetClientCertificate.
type Provider func(*tls.CertificateRequestInfo) (*tls.Certificate, error)
// errSourceUnavailable is a sentinel error to indicate certificate source is unavailable.
var errSourceUnavailable = errors.New("certificate source is unavailable")
// DefaultProvider returns a certificate source using the preferred EnterpriseCertificateProxySource.
// If EnterpriseCertificateProxySource is not available, fall back to the legacy SecureConnectSource.
//
// If neither source is available (due to missing configurations), a nil Source and a nil Error are
// returned to indicate that a default certificate source is unavailable.
func DefaultProvider() (Provider, error) {
defaultCert.once.Do(func() {
defaultCert.provider, defaultCert.err = NewWorkloadX509CertProvider("")
if errors.Is(defaultCert.err, errSourceUnavailable) {
defaultCert.provider, defaultCert.err = NewEnterpriseCertificateProxyProvider("")
if errors.Is(defaultCert.err, errSourceUnavailable) {
defaultCert.provider, defaultCert.err = NewSecureConnectProvider("")
if errors.Is(defaultCert.err, errSourceUnavailable) {
defaultCert.provider, defaultCert.err = nil, nil
}
}
}
})
return defaultCert.provider, defaultCert.err
}
@@ -0,0 +1,54 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cert
import (
"crypto/tls"
"github.com/googleapis/enterprise-certificate-proxy/client"
)
type ecpSource struct {
key *client.Key
}
// NewEnterpriseCertificateProxyProvider creates a certificate source
// using the Enterprise Certificate Proxy client, which delegates
// certifcate related operations to an OS-specific "signer binary"
// that communicates with the native keystore (ex. keychain on MacOS).
//
// The configFilePath points to a config file containing relevant parameters
// such as the certificate issuer and the location of the signer binary.
// If configFilePath is empty, the client will attempt to load the config from
// a well-known gcloud location.
func NewEnterpriseCertificateProxyProvider(configFilePath string) (Provider, error) {
key, err := client.Cred(configFilePath)
if err != nil {
// TODO(codyoss): once this is fixed upstream can handle this error a
// little better here. But be safe for now and assume unavailable.
return nil, errSourceUnavailable
}
return (&ecpSource{
key: key,
}).getClientCertificate, nil
}
func (s *ecpSource) getClientCertificate(info *tls.CertificateRequestInfo) (*tls.Certificate, error) {
var cert tls.Certificate
cert.PrivateKey = s.key
cert.Certificate = s.key.CertificateChain()
return &cert, nil
}
@@ -0,0 +1,124 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cert
import (
"crypto/tls"
"crypto/x509"
"encoding/json"
"errors"
"fmt"
"os"
"os/exec"
"os/user"
"path/filepath"
"sync"
"time"
)
const (
metadataPath = ".secureConnect"
metadataFile = "context_aware_metadata.json"
)
type secureConnectSource struct {
metadata secureConnectMetadata
// Cache the cert to avoid executing helper command repeatedly.
cachedCertMutex sync.Mutex
cachedCert *tls.Certificate
}
type secureConnectMetadata struct {
Cmd []string `json:"cert_provider_command"`
}
// NewSecureConnectProvider creates a certificate source using
// the Secure Connect Helper and its associated metadata file.
//
// The configFilePath points to the location of the context aware metadata file.
// If configFilePath is empty, use the default context aware metadata location.
func NewSecureConnectProvider(configFilePath string) (Provider, error) {
if configFilePath == "" {
user, err := user.Current()
if err != nil {
// Error locating the default config means Secure Connect is not supported.
return nil, errSourceUnavailable
}
configFilePath = filepath.Join(user.HomeDir, metadataPath, metadataFile)
}
file, err := os.ReadFile(configFilePath)
if err != nil {
// Config file missing means Secure Connect is not supported.
// There are non-os.ErrNotExist errors that may be returned.
// (e.g. if the home directory is /dev/null, *nix systems will
// return ENOTDIR instead of ENOENT)
return nil, errSourceUnavailable
}
var metadata secureConnectMetadata
if err := json.Unmarshal(file, &metadata); err != nil {
return nil, fmt.Errorf("cert: could not parse JSON in %q: %w", configFilePath, err)
}
if err := validateMetadata(metadata); err != nil {
return nil, fmt.Errorf("cert: invalid config in %q: %w", configFilePath, err)
}
return (&secureConnectSource{
metadata: metadata,
}).getClientCertificate, nil
}
func validateMetadata(metadata secureConnectMetadata) error {
if len(metadata.Cmd) == 0 {
return errors.New("empty cert_provider_command")
}
return nil
}
func (s *secureConnectSource) getClientCertificate(info *tls.CertificateRequestInfo) (*tls.Certificate, error) {
s.cachedCertMutex.Lock()
defer s.cachedCertMutex.Unlock()
if s.cachedCert != nil && !isCertificateExpired(s.cachedCert) {
return s.cachedCert, nil
}
// Expand OS environment variables in the cert provider command such as "$HOME".
for i := 0; i < len(s.metadata.Cmd); i++ {
s.metadata.Cmd[i] = os.ExpandEnv(s.metadata.Cmd[i])
}
command := s.metadata.Cmd
data, err := exec.Command(command[0], command[1:]...).Output()
if err != nil {
return nil, err
}
cert, err := tls.X509KeyPair(data, data)
if err != nil {
return nil, err
}
s.cachedCert = &cert
return &cert, nil
}
// isCertificateExpired returns true if the given cert is expired or invalid.
func isCertificateExpired(cert *tls.Certificate) bool {
if len(cert.Certificate) == 0 {
return true
}
parsed, err := x509.ParseCertificate(cert.Certificate[0])
if err != nil {
return true
}
return time.Now().After(parsed.NotAfter)
}
@@ -0,0 +1,114 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cert
import (
"crypto/tls"
"encoding/json"
"errors"
"io"
"os"
"github.com/googleapis/enterprise-certificate-proxy/client/util"
)
type certConfigs struct {
Workload *workloadSource `json:"workload"`
}
type workloadSource struct {
CertPath string `json:"cert_path"`
KeyPath string `json:"key_path"`
}
type certificateConfig struct {
CertConfigs certConfigs `json:"cert_configs"`
}
// NewWorkloadX509CertProvider creates a certificate source
// that reads a certificate and private key file from the local file system.
// This is intended to be used for workload identity federation.
//
// The configFilePath points to a config file containing relevant parameters
// such as the certificate and key file paths.
// If configFilePath is empty, the client will attempt to load the config from
// a well-known gcloud location.
func NewWorkloadX509CertProvider(configFilePath string) (Provider, error) {
if configFilePath == "" {
envFilePath := util.GetConfigFilePathFromEnv()
if envFilePath != "" {
configFilePath = envFilePath
} else {
configFilePath = util.GetDefaultConfigFilePath()
}
}
certFile, keyFile, err := getCertAndKeyFiles(configFilePath)
if err != nil {
return nil, err
}
source := &workloadSource{
CertPath: certFile,
KeyPath: keyFile,
}
return source.getClientCertificate, nil
}
// getClientCertificate attempts to load the certificate and key from the files specified in the
// certificate config.
func (s *workloadSource) getClientCertificate(info *tls.CertificateRequestInfo) (*tls.Certificate, error) {
cert, err := tls.LoadX509KeyPair(s.CertPath, s.KeyPath)
if err != nil {
return nil, err
}
return &cert, nil
}
// getCertAndKeyFiles attempts to read the provided config file and return the certificate and private
// key file paths.
func getCertAndKeyFiles(configFilePath string) (string, string, error) {
jsonFile, err := os.Open(configFilePath)
if err != nil {
return "", "", errSourceUnavailable
}
byteValue, err := io.ReadAll(jsonFile)
if err != nil {
return "", "", err
}
var config certificateConfig
if err := json.Unmarshal(byteValue, &config); err != nil {
return "", "", err
}
if config.CertConfigs.Workload == nil {
return "", "", errSourceUnavailable
}
certFile := config.CertConfigs.Workload.CertPath
keyFile := config.CertConfigs.Workload.KeyPath
if certFile == "" {
return "", "", errors.New("certificate configuration is missing the certificate file location")
}
if keyFile == "" {
return "", "", errors.New("certificate configuration is missing the key file location")
}
return certFile, keyFile, nil
}
+138
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@@ -0,0 +1,138 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package transport
import (
"context"
"encoding/json"
"fmt"
"log"
"log/slog"
"os"
"strconv"
"sync"
"cloud.google.com/go/auth/internal/transport/cert"
"cloud.google.com/go/compute/metadata"
)
const (
configEndpointSuffix = "instance/platform-security/auto-mtls-configuration"
)
var (
mtlsConfiguration *mtlsConfig
mtlsOnce sync.Once
)
// GetS2AAddress returns the S2A address to be reached via plaintext connection.
// Returns empty string if not set or invalid.
func GetS2AAddress(logger *slog.Logger) string {
getMetadataMTLSAutoConfig(logger)
if !mtlsConfiguration.valid() {
return ""
}
return mtlsConfiguration.S2A.PlaintextAddress
}
// GetMTLSS2AAddress returns the S2A address to be reached via MTLS connection.
// Returns empty string if not set or invalid.
func GetMTLSS2AAddress(logger *slog.Logger) string {
getMetadataMTLSAutoConfig(logger)
if !mtlsConfiguration.valid() {
return ""
}
return mtlsConfiguration.S2A.MTLSAddress
}
// mtlsConfig contains the configuration for establishing MTLS connections with Google APIs.
type mtlsConfig struct {
S2A *s2aAddresses `json:"s2a"`
}
func (c *mtlsConfig) valid() bool {
return c != nil && c.S2A != nil
}
// s2aAddresses contains the plaintext and/or MTLS S2A addresses.
type s2aAddresses struct {
// PlaintextAddress is the plaintext address to reach S2A
PlaintextAddress string `json:"plaintext_address"`
// MTLSAddress is the MTLS address to reach S2A
MTLSAddress string `json:"mtls_address"`
}
func getMetadataMTLSAutoConfig(logger *slog.Logger) {
var err error
mtlsOnce.Do(func() {
mtlsConfiguration, err = queryConfig(logger)
if err != nil {
log.Printf("Getting MTLS config failed: %v", err)
}
})
}
var httpGetMetadataMTLSConfig = func(logger *slog.Logger) (string, error) {
metadataClient := metadata.NewWithOptions(&metadata.Options{
Logger: logger,
})
return metadataClient.GetWithContext(context.Background(), configEndpointSuffix)
}
func queryConfig(logger *slog.Logger) (*mtlsConfig, error) {
resp, err := httpGetMetadataMTLSConfig(logger)
if err != nil {
return nil, fmt.Errorf("querying MTLS config from MDS endpoint failed: %w", err)
}
var config mtlsConfig
err = json.Unmarshal([]byte(resp), &config)
if err != nil {
return nil, fmt.Errorf("unmarshalling MTLS config from MDS endpoint failed: %w", err)
}
if config.S2A == nil {
return nil, fmt.Errorf("returned MTLS config from MDS endpoint is invalid: %v", config)
}
return &config, nil
}
func shouldUseS2A(clientCertSource cert.Provider, opts *Options) bool {
// If client cert is found, use that over S2A.
if clientCertSource != nil {
return false
}
// If EXPERIMENTAL_GOOGLE_API_USE_S2A is not set to true, skip S2A.
if !isGoogleS2AEnabled() {
return false
}
// If DefaultMTLSEndpoint is not set or has endpoint override, skip S2A.
if opts.DefaultMTLSEndpoint == "" || opts.Endpoint != "" {
return false
}
// If custom HTTP client is provided, skip S2A.
if opts.Client != nil {
return false
}
// If directPath is enabled, skip S2A.
return !opts.EnableDirectPath && !opts.EnableDirectPathXds
}
func isGoogleS2AEnabled() bool {
b, err := strconv.ParseBool(os.Getenv(googleAPIUseS2AEnv))
if err != nil {
return false
}
return b
}
+106
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@@ -0,0 +1,106 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package transport provided internal helpers for the two transport packages
// (grpctransport and httptransport).
package transport
import (
"crypto/tls"
"fmt"
"net"
"net/http"
"time"
"cloud.google.com/go/auth/credentials"
)
// CloneDetectOptions clones a user set detect option into some new memory that
// we can internally manipulate before sending onto the detect package.
func CloneDetectOptions(oldDo *credentials.DetectOptions) *credentials.DetectOptions {
if oldDo == nil {
// it is valid for users not to set this, but we will need to to default
// some options for them in this case so return some initialized memory
// to work with.
return &credentials.DetectOptions{}
}
newDo := &credentials.DetectOptions{
// Simple types
Audience: oldDo.Audience,
Subject: oldDo.Subject,
EarlyTokenRefresh: oldDo.EarlyTokenRefresh,
TokenURL: oldDo.TokenURL,
STSAudience: oldDo.STSAudience,
CredentialsFile: oldDo.CredentialsFile,
UseSelfSignedJWT: oldDo.UseSelfSignedJWT,
UniverseDomain: oldDo.UniverseDomain,
// These fields are are pointer types that we just want to use exactly
// as the user set, copy the ref
Client: oldDo.Client,
Logger: oldDo.Logger,
AuthHandlerOptions: oldDo.AuthHandlerOptions,
}
// Smartly size this memory and copy below.
if len(oldDo.CredentialsJSON) > 0 {
newDo.CredentialsJSON = make([]byte, len(oldDo.CredentialsJSON))
copy(newDo.CredentialsJSON, oldDo.CredentialsJSON)
}
if len(oldDo.Scopes) > 0 {
newDo.Scopes = make([]string, len(oldDo.Scopes))
copy(newDo.Scopes, oldDo.Scopes)
}
return newDo
}
// ValidateUniverseDomain verifies that the universe domain configured for the
// client matches the universe domain configured for the credentials.
func ValidateUniverseDomain(clientUniverseDomain, credentialsUniverseDomain string) error {
if clientUniverseDomain != credentialsUniverseDomain {
return fmt.Errorf(
"the configured universe domain (%q) does not match the universe "+
"domain found in the credentials (%q). If you haven't configured "+
"the universe domain explicitly, \"googleapis.com\" is the default",
clientUniverseDomain,
credentialsUniverseDomain)
}
return nil
}
// DefaultHTTPClientWithTLS constructs an HTTPClient using the provided tlsConfig, to support mTLS.
func DefaultHTTPClientWithTLS(tlsConfig *tls.Config) *http.Client {
trans := BaseTransport()
trans.TLSClientConfig = tlsConfig
return &http.Client{Transport: trans}
}
// BaseTransport returns a default [http.Transport] which can be used if
// [http.DefaultTransport] has been overwritten.
func BaseTransport() *http.Transport {
return &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: (&net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
DualStack: true,
}).DialContext,
MaxIdleConns: 100,
MaxIdleConnsPerHost: 100,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 1 * time.Second,
}
}
+68
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@@ -0,0 +1,68 @@
# Changelog
## [0.2.6](https://github.com/googleapis/google-cloud-go/compare/auth/oauth2adapt/v0.2.5...auth/oauth2adapt/v0.2.6) (2024-11-21)
### Bug Fixes
* **auth/oauth2adapt:** Copy map in tokenSourceAdapter.Token ([#11164](https://github.com/googleapis/google-cloud-go/issues/11164)) ([8cb0cbc](https://github.com/googleapis/google-cloud-go/commit/8cb0cbccdc32886dfb3af49fee04012937d114d2)), refs [#11161](https://github.com/googleapis/google-cloud-go/issues/11161)
## [0.2.5](https://github.com/googleapis/google-cloud-go/compare/auth/oauth2adapt/v0.2.4...auth/oauth2adapt/v0.2.5) (2024-10-30)
### Bug Fixes
* **auth/oauth2adapt:** Convert token metadata where possible ([#11062](https://github.com/googleapis/google-cloud-go/issues/11062)) ([34bf1c1](https://github.com/googleapis/google-cloud-go/commit/34bf1c164465d66745c0cfdf7cd10a8e2da92e52))
## [0.2.4](https://github.com/googleapis/google-cloud-go/compare/auth/oauth2adapt/v0.2.3...auth/oauth2adapt/v0.2.4) (2024-08-08)
### Bug Fixes
* **auth/oauth2adapt:** Update dependencies ([257c40b](https://github.com/googleapis/google-cloud-go/commit/257c40bd6d7e59730017cf32bda8823d7a232758))
## [0.2.3](https://github.com/googleapis/google-cloud-go/compare/auth/oauth2adapt/v0.2.2...auth/oauth2adapt/v0.2.3) (2024-07-10)
### Bug Fixes
* **auth/oauth2adapt:** Bump google.golang.org/api@v0.187.0 ([8fa9e39](https://github.com/googleapis/google-cloud-go/commit/8fa9e398e512fd8533fd49060371e61b5725a85b))
## [0.2.2](https://github.com/googleapis/google-cloud-go/compare/auth/oauth2adapt/v0.2.1...auth/oauth2adapt/v0.2.2) (2024-04-23)
### Bug Fixes
* **auth/oauth2adapt:** Bump x/net to v0.24.0 ([ba31ed5](https://github.com/googleapis/google-cloud-go/commit/ba31ed5fda2c9664f2e1cf972469295e63deb5b4))
## [0.2.1](https://github.com/googleapis/google-cloud-go/compare/auth/oauth2adapt/v0.2.0...auth/oauth2adapt/v0.2.1) (2024-04-18)
### Bug Fixes
* **auth/oauth2adapt:** Adapt Token Types to be translated ([#9801](https://github.com/googleapis/google-cloud-go/issues/9801)) ([70f4115](https://github.com/googleapis/google-cloud-go/commit/70f411555ebbf2b71e6d425cc8d2030644c6b438)), refs [#9800](https://github.com/googleapis/google-cloud-go/issues/9800)
## [0.2.0](https://github.com/googleapis/google-cloud-go/compare/auth/oauth2adapt/v0.1.0...auth/oauth2adapt/v0.2.0) (2024-04-16)
### Features
* **auth/oauth2adapt:** Add helpers for working with credentials types ([#9694](https://github.com/googleapis/google-cloud-go/issues/9694)) ([cf33b55](https://github.com/googleapis/google-cloud-go/commit/cf33b5514423a2ac5c2a323a1cd99aac34fd4233))
### Bug Fixes
* **auth/oauth2adapt:** Update protobuf dep to v1.33.0 ([30b038d](https://github.com/googleapis/google-cloud-go/commit/30b038d8cac0b8cd5dd4761c87f3f298760dd33a))
## 0.1.0 (2023-10-19)
### Features
* **auth/oauth2adapt:** Adds a new module to translate types ([#8595](https://github.com/googleapis/google-cloud-go/issues/8595)) ([6933c5a](https://github.com/googleapis/google-cloud-go/commit/6933c5a0c1fc8e58cbfff8bbca439d671b94672f))
* **auth/oauth2adapt:** Fixup deps for release ([#8747](https://github.com/googleapis/google-cloud-go/issues/8747)) ([749d243](https://github.com/googleapis/google-cloud-go/commit/749d243862b025a6487a4d2d339219889b4cfe70))
### Bug Fixes
* **auth/oauth2adapt:** Update golang.org/x/net to v0.17.0 ([174da47](https://github.com/googleapis/google-cloud-go/commit/174da47254fefb12921bbfc65b7829a453af6f5d))
+202
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@@ -0,0 +1,202 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
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APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
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replaced with your own identifying information. (Don't include
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Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
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+200
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package oauth2adapt helps converts types used in [cloud.google.com/go/auth]
// and [golang.org/x/oauth2].
package oauth2adapt
import (
"context"
"encoding/json"
"errors"
"cloud.google.com/go/auth"
"golang.org/x/oauth2"
"golang.org/x/oauth2/google"
)
const (
oauth2TokenSourceKey = "oauth2.google.tokenSource"
oauth2ServiceAccountKey = "oauth2.google.serviceAccount"
authTokenSourceKey = "auth.google.tokenSource"
authServiceAccountKey = "auth.google.serviceAccount"
)
// TokenProviderFromTokenSource converts any [golang.org/x/oauth2.TokenSource]
// into a [cloud.google.com/go/auth.TokenProvider].
func TokenProviderFromTokenSource(ts oauth2.TokenSource) auth.TokenProvider {
return &tokenProviderAdapter{ts: ts}
}
type tokenProviderAdapter struct {
ts oauth2.TokenSource
}
// Token fulfills the [cloud.google.com/go/auth.TokenProvider] interface. It
// is a light wrapper around the underlying TokenSource.
func (tp *tokenProviderAdapter) Token(context.Context) (*auth.Token, error) {
tok, err := tp.ts.Token()
if err != nil {
var err2 *oauth2.RetrieveError
if ok := errors.As(err, &err2); ok {
return nil, AuthErrorFromRetrieveError(err2)
}
return nil, err
}
// Preserve compute token metadata, for both types of tokens.
metadata := map[string]interface{}{}
if val, ok := tok.Extra(oauth2TokenSourceKey).(string); ok {
metadata[authTokenSourceKey] = val
metadata[oauth2TokenSourceKey] = val
}
if val, ok := tok.Extra(oauth2ServiceAccountKey).(string); ok {
metadata[authServiceAccountKey] = val
metadata[oauth2ServiceAccountKey] = val
}
return &auth.Token{
Value: tok.AccessToken,
Type: tok.Type(),
Expiry: tok.Expiry,
Metadata: metadata,
}, nil
}
// TokenSourceFromTokenProvider converts any
// [cloud.google.com/go/auth.TokenProvider] into a
// [golang.org/x/oauth2.TokenSource].
func TokenSourceFromTokenProvider(tp auth.TokenProvider) oauth2.TokenSource {
return &tokenSourceAdapter{tp: tp}
}
type tokenSourceAdapter struct {
tp auth.TokenProvider
}
// Token fulfills the [golang.org/x/oauth2.TokenSource] interface. It
// is a light wrapper around the underlying TokenProvider.
func (ts *tokenSourceAdapter) Token() (*oauth2.Token, error) {
tok, err := ts.tp.Token(context.Background())
if err != nil {
var err2 *auth.Error
if ok := errors.As(err, &err2); ok {
return nil, AddRetrieveErrorToAuthError(err2)
}
return nil, err
}
tok2 := &oauth2.Token{
AccessToken: tok.Value,
TokenType: tok.Type,
Expiry: tok.Expiry,
}
// Preserve token metadata.
m := tok.Metadata
if m != nil {
// Copy map to avoid concurrent map writes error (#11161).
metadata := make(map[string]interface{}, len(m)+2)
for k, v := range m {
metadata[k] = v
}
// Append compute token metadata in converted form.
if val, ok := metadata[authTokenSourceKey].(string); ok && val != "" {
metadata[oauth2TokenSourceKey] = val
}
if val, ok := metadata[authServiceAccountKey].(string); ok && val != "" {
metadata[oauth2ServiceAccountKey] = val
}
tok2 = tok2.WithExtra(metadata)
}
return tok2, nil
}
// AuthCredentialsFromOauth2Credentials converts a [golang.org/x/oauth2/google.Credentials]
// to a [cloud.google.com/go/auth.Credentials].
func AuthCredentialsFromOauth2Credentials(creds *google.Credentials) *auth.Credentials {
if creds == nil {
return nil
}
return auth.NewCredentials(&auth.CredentialsOptions{
TokenProvider: TokenProviderFromTokenSource(creds.TokenSource),
JSON: creds.JSON,
ProjectIDProvider: auth.CredentialsPropertyFunc(func(ctx context.Context) (string, error) {
return creds.ProjectID, nil
}),
UniverseDomainProvider: auth.CredentialsPropertyFunc(func(ctx context.Context) (string, error) {
return creds.GetUniverseDomain()
}),
})
}
// Oauth2CredentialsFromAuthCredentials converts a [cloud.google.com/go/auth.Credentials]
// to a [golang.org/x/oauth2/google.Credentials].
func Oauth2CredentialsFromAuthCredentials(creds *auth.Credentials) *google.Credentials {
if creds == nil {
return nil
}
// Throw away errors as old credentials are not request aware. Also, no
// network requests are currently happening for this use case.
projectID, _ := creds.ProjectID(context.Background())
return &google.Credentials{
TokenSource: TokenSourceFromTokenProvider(creds.TokenProvider),
ProjectID: projectID,
JSON: creds.JSON(),
UniverseDomainProvider: func() (string, error) {
return creds.UniverseDomain(context.Background())
},
}
}
type oauth2Error struct {
ErrorCode string `json:"error"`
ErrorDescription string `json:"error_description"`
ErrorURI string `json:"error_uri"`
}
// AddRetrieveErrorToAuthError returns the same error provided and adds a
// [golang.org/x/oauth2.RetrieveError] to the error chain by setting the `Err` field on the
// [cloud.google.com/go/auth.Error].
func AddRetrieveErrorToAuthError(err *auth.Error) *auth.Error {
if err == nil {
return nil
}
e := &oauth2.RetrieveError{
Response: err.Response,
Body: err.Body,
}
err.Err = e
if len(err.Body) > 0 {
var oErr oauth2Error
// ignore the error as it only fills in extra details
json.Unmarshal(err.Body, &oErr)
e.ErrorCode = oErr.ErrorCode
e.ErrorDescription = oErr.ErrorDescription
e.ErrorURI = oErr.ErrorURI
}
return err
}
// AuthErrorFromRetrieveError returns an [cloud.google.com/go/auth.Error] that
// wraps the provided [golang.org/x/oauth2.RetrieveError].
func AuthErrorFromRetrieveError(err *oauth2.RetrieveError) *auth.Error {
if err == nil {
return nil
}
return &auth.Error{
Response: err.Response,
Body: err.Body,
Err: err,
}
}
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package auth
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"log/slog"
"mime"
"net/http"
"net/url"
"strconv"
"strings"
"time"
"cloud.google.com/go/auth/internal"
"github.com/googleapis/gax-go/v2/internallog"
)
// AuthorizationHandler is a 3-legged-OAuth helper that prompts the user for
// OAuth consent at the specified auth code URL and returns an auth code and
// state upon approval.
type AuthorizationHandler func(authCodeURL string) (code string, state string, err error)
// Options3LO are the options for doing a 3-legged OAuth2 flow.
type Options3LO struct {
// ClientID is the application's ID.
ClientID string
// ClientSecret is the application's secret. Not required if AuthHandlerOpts
// is set.
ClientSecret string
// AuthURL is the URL for authenticating.
AuthURL string
// TokenURL is the URL for retrieving a token.
TokenURL string
// AuthStyle is used to describe how to client info in the token request.
AuthStyle Style
// RefreshToken is the token used to refresh the credential. Not required
// if AuthHandlerOpts is set.
RefreshToken string
// RedirectURL is the URL to redirect users to. Optional.
RedirectURL string
// Scopes specifies requested permissions for the Token. Optional.
Scopes []string
// URLParams are the set of values to apply to the token exchange. Optional.
URLParams url.Values
// Client is the client to be used to make the underlying token requests.
// Optional.
Client *http.Client
// EarlyTokenExpiry is the time before the token expires that it should be
// refreshed. If not set the default value is 3 minutes and 45 seconds.
// Optional.
EarlyTokenExpiry time.Duration
// AuthHandlerOpts provides a set of options for doing a
// 3-legged OAuth2 flow with a custom [AuthorizationHandler]. Optional.
AuthHandlerOpts *AuthorizationHandlerOptions
// Logger is used for debug logging. If provided, logging will be enabled
// at the loggers configured level. By default logging is disabled unless
// enabled by setting GOOGLE_SDK_GO_LOGGING_LEVEL in which case a default
// logger will be used. Optional.
Logger *slog.Logger
}
func (o *Options3LO) validate() error {
if o == nil {
return errors.New("auth: options must be provided")
}
if o.ClientID == "" {
return errors.New("auth: client ID must be provided")
}
if o.AuthHandlerOpts == nil && o.ClientSecret == "" {
return errors.New("auth: client secret must be provided")
}
if o.AuthURL == "" {
return errors.New("auth: auth URL must be provided")
}
if o.TokenURL == "" {
return errors.New("auth: token URL must be provided")
}
if o.AuthStyle == StyleUnknown {
return errors.New("auth: auth style must be provided")
}
if o.AuthHandlerOpts == nil && o.RefreshToken == "" {
return errors.New("auth: refresh token must be provided")
}
return nil
}
func (o *Options3LO) logger() *slog.Logger {
return internallog.New(o.Logger)
}
// PKCEOptions holds parameters to support PKCE.
type PKCEOptions struct {
// Challenge is the un-padded, base64-url-encoded string of the encrypted code verifier.
Challenge string // The un-padded, base64-url-encoded string of the encrypted code verifier.
// ChallengeMethod is the encryption method (ex. S256).
ChallengeMethod string
// Verifier is the original, non-encrypted secret.
Verifier string // The original, non-encrypted secret.
}
type tokenJSON struct {
AccessToken string `json:"access_token"`
TokenType string `json:"token_type"`
RefreshToken string `json:"refresh_token"`
ExpiresIn int `json:"expires_in"`
// error fields
ErrorCode string `json:"error"`
ErrorDescription string `json:"error_description"`
ErrorURI string `json:"error_uri"`
}
func (e *tokenJSON) expiry() (t time.Time) {
if v := e.ExpiresIn; v != 0 {
return time.Now().Add(time.Duration(v) * time.Second)
}
return
}
func (o *Options3LO) client() *http.Client {
if o.Client != nil {
return o.Client
}
return internal.DefaultClient()
}
// authCodeURL returns a URL that points to a OAuth2 consent page.
func (o *Options3LO) authCodeURL(state string, values url.Values) string {
var buf bytes.Buffer
buf.WriteString(o.AuthURL)
v := url.Values{
"response_type": {"code"},
"client_id": {o.ClientID},
}
if o.RedirectURL != "" {
v.Set("redirect_uri", o.RedirectURL)
}
if len(o.Scopes) > 0 {
v.Set("scope", strings.Join(o.Scopes, " "))
}
if state != "" {
v.Set("state", state)
}
if o.AuthHandlerOpts != nil {
if o.AuthHandlerOpts.PKCEOpts != nil &&
o.AuthHandlerOpts.PKCEOpts.Challenge != "" {
v.Set(codeChallengeKey, o.AuthHandlerOpts.PKCEOpts.Challenge)
}
if o.AuthHandlerOpts.PKCEOpts != nil &&
o.AuthHandlerOpts.PKCEOpts.ChallengeMethod != "" {
v.Set(codeChallengeMethodKey, o.AuthHandlerOpts.PKCEOpts.ChallengeMethod)
}
}
for k := range values {
v.Set(k, v.Get(k))
}
if strings.Contains(o.AuthURL, "?") {
buf.WriteByte('&')
} else {
buf.WriteByte('?')
}
buf.WriteString(v.Encode())
return buf.String()
}
// New3LOTokenProvider returns a [TokenProvider] based on the 3-legged OAuth2
// configuration. The TokenProvider is caches and auto-refreshes tokens by
// default.
func New3LOTokenProvider(opts *Options3LO) (TokenProvider, error) {
if err := opts.validate(); err != nil {
return nil, err
}
if opts.AuthHandlerOpts != nil {
return new3LOTokenProviderWithAuthHandler(opts), nil
}
return NewCachedTokenProvider(&tokenProvider3LO{opts: opts, refreshToken: opts.RefreshToken, client: opts.client()}, &CachedTokenProviderOptions{
ExpireEarly: opts.EarlyTokenExpiry,
}), nil
}
// AuthorizationHandlerOptions provides a set of options to specify for doing a
// 3-legged OAuth2 flow with a custom [AuthorizationHandler].
type AuthorizationHandlerOptions struct {
// AuthorizationHandler specifies the handler used to for the authorization
// part of the flow.
Handler AuthorizationHandler
// State is used verify that the "state" is identical in the request and
// response before exchanging the auth code for OAuth2 token.
State string
// PKCEOpts allows setting configurations for PKCE. Optional.
PKCEOpts *PKCEOptions
}
func new3LOTokenProviderWithAuthHandler(opts *Options3LO) TokenProvider {
return NewCachedTokenProvider(&tokenProviderWithHandler{opts: opts, state: opts.AuthHandlerOpts.State}, &CachedTokenProviderOptions{
ExpireEarly: opts.EarlyTokenExpiry,
})
}
// exchange handles the final exchange portion of the 3lo flow. Returns a Token,
// refreshToken, and error.
func (o *Options3LO) exchange(ctx context.Context, code string) (*Token, string, error) {
// Build request
v := url.Values{
"grant_type": {"authorization_code"},
"code": {code},
}
if o.RedirectURL != "" {
v.Set("redirect_uri", o.RedirectURL)
}
if o.AuthHandlerOpts != nil &&
o.AuthHandlerOpts.PKCEOpts != nil &&
o.AuthHandlerOpts.PKCEOpts.Verifier != "" {
v.Set(codeVerifierKey, o.AuthHandlerOpts.PKCEOpts.Verifier)
}
for k := range o.URLParams {
v.Set(k, o.URLParams.Get(k))
}
return fetchToken(ctx, o, v)
}
// This struct is not safe for concurrent access alone, but the way it is used
// in this package by wrapping it with a cachedTokenProvider makes it so.
type tokenProvider3LO struct {
opts *Options3LO
client *http.Client
refreshToken string
}
func (tp *tokenProvider3LO) Token(ctx context.Context) (*Token, error) {
if tp.refreshToken == "" {
return nil, errors.New("auth: token expired and refresh token is not set")
}
v := url.Values{
"grant_type": {"refresh_token"},
"refresh_token": {tp.refreshToken},
}
for k := range tp.opts.URLParams {
v.Set(k, tp.opts.URLParams.Get(k))
}
tk, rt, err := fetchToken(ctx, tp.opts, v)
if err != nil {
return nil, err
}
if tp.refreshToken != rt && rt != "" {
tp.refreshToken = rt
}
return tk, err
}
type tokenProviderWithHandler struct {
opts *Options3LO
state string
}
func (tp tokenProviderWithHandler) Token(ctx context.Context) (*Token, error) {
url := tp.opts.authCodeURL(tp.state, nil)
code, state, err := tp.opts.AuthHandlerOpts.Handler(url)
if err != nil {
return nil, err
}
if state != tp.state {
return nil, errors.New("auth: state mismatch in 3-legged-OAuth flow")
}
tok, _, err := tp.opts.exchange(ctx, code)
return tok, err
}
// fetchToken returns a Token, refresh token, and/or an error.
func fetchToken(ctx context.Context, o *Options3LO, v url.Values) (*Token, string, error) {
var refreshToken string
if o.AuthStyle == StyleInParams {
if o.ClientID != "" {
v.Set("client_id", o.ClientID)
}
if o.ClientSecret != "" {
v.Set("client_secret", o.ClientSecret)
}
}
req, err := http.NewRequestWithContext(ctx, "POST", o.TokenURL, strings.NewReader(v.Encode()))
if err != nil {
return nil, refreshToken, err
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
if o.AuthStyle == StyleInHeader {
req.SetBasicAuth(url.QueryEscape(o.ClientID), url.QueryEscape(o.ClientSecret))
}
logger := o.logger()
logger.DebugContext(ctx, "3LO token request", "request", internallog.HTTPRequest(req, []byte(v.Encode())))
// Make request
resp, body, err := internal.DoRequest(o.client(), req)
if err != nil {
return nil, refreshToken, err
}
logger.DebugContext(ctx, "3LO token response", "response", internallog.HTTPResponse(resp, body))
failureStatus := resp.StatusCode < 200 || resp.StatusCode > 299
tokError := &Error{
Response: resp,
Body: body,
}
var token *Token
// errors ignored because of default switch on content
content, _, _ := mime.ParseMediaType(resp.Header.Get("Content-Type"))
switch content {
case "application/x-www-form-urlencoded", "text/plain":
// some endpoints return a query string
vals, err := url.ParseQuery(string(body))
if err != nil {
if failureStatus {
return nil, refreshToken, tokError
}
return nil, refreshToken, fmt.Errorf("auth: cannot parse response: %w", err)
}
tokError.code = vals.Get("error")
tokError.description = vals.Get("error_description")
tokError.uri = vals.Get("error_uri")
token = &Token{
Value: vals.Get("access_token"),
Type: vals.Get("token_type"),
Metadata: make(map[string]interface{}, len(vals)),
}
for k, v := range vals {
token.Metadata[k] = v
}
refreshToken = vals.Get("refresh_token")
e := vals.Get("expires_in")
expires, _ := strconv.Atoi(e)
if expires != 0 {
token.Expiry = time.Now().Add(time.Duration(expires) * time.Second)
}
default:
var tj tokenJSON
if err = json.Unmarshal(body, &tj); err != nil {
if failureStatus {
return nil, refreshToken, tokError
}
return nil, refreshToken, fmt.Errorf("auth: cannot parse json: %w", err)
}
tokError.code = tj.ErrorCode
tokError.description = tj.ErrorDescription
tokError.uri = tj.ErrorURI
token = &Token{
Value: tj.AccessToken,
Type: tj.TokenType,
Expiry: tj.expiry(),
Metadata: make(map[string]interface{}),
}
json.Unmarshal(body, &token.Metadata) // optional field, skip err check
refreshToken = tj.RefreshToken
}
// according to spec, servers should respond status 400 in error case
// https://www.rfc-editor.org/rfc/rfc6749#section-5.2
// but some unorthodox servers respond 200 in error case
if failureStatus || tokError.code != "" {
return nil, refreshToken, tokError
}
if token.Value == "" {
return nil, refreshToken, errors.New("auth: server response missing access_token")
}
return token, refreshToken, nil
}
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# Changes
## [0.6.0](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.5.2...compute/metadata/v0.6.0) (2024-12-13)
### Features
* **compute/metadata:** Add debug logging ([#11078](https://github.com/googleapis/google-cloud-go/issues/11078)) ([a816814](https://github.com/googleapis/google-cloud-go/commit/a81681463906e4473570a2f426eb0dc2de64e53f))
## [0.5.2](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.5.1...compute/metadata/v0.5.2) (2024-09-20)
### Bug Fixes
* **compute/metadata:** Close Response Body for failed request ([#10891](https://github.com/googleapis/google-cloud-go/issues/10891)) ([e91d45e](https://github.com/googleapis/google-cloud-go/commit/e91d45e4757a9e354114509ba9800085d9e0ff1f))
## [0.5.1](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.5.0...compute/metadata/v0.5.1) (2024-09-12)
### Bug Fixes
* **compute/metadata:** Check error chain for retryable error ([#10840](https://github.com/googleapis/google-cloud-go/issues/10840)) ([2bdedef](https://github.com/googleapis/google-cloud-go/commit/2bdedeff621b223d63cebc4355fcf83bc68412cd))
## [0.5.0](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.4.0...compute/metadata/v0.5.0) (2024-07-10)
### Features
* **compute/metadata:** Add sys check for windows OnGCE ([#10521](https://github.com/googleapis/google-cloud-go/issues/10521)) ([3b9a830](https://github.com/googleapis/google-cloud-go/commit/3b9a83063960d2a2ac20beb47cc15818a68bd302))
## [0.4.0](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.3.0...compute/metadata/v0.4.0) (2024-07-01)
### Features
* **compute/metadata:** Add context for all functions/methods ([#10370](https://github.com/googleapis/google-cloud-go/issues/10370)) ([66b8efe](https://github.com/googleapis/google-cloud-go/commit/66b8efe7ad877e052b2987bb4475477e38c67bb3))
### Documentation
* **compute/metadata:** Update OnGCE description ([#10408](https://github.com/googleapis/google-cloud-go/issues/10408)) ([6a46dca](https://github.com/googleapis/google-cloud-go/commit/6a46dca4eae4f88ec6f88822e01e5bf8aeca787f))
## [0.3.0](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.2.3...compute/metadata/v0.3.0) (2024-04-15)
### Features
* **compute/metadata:** Add context aware functions ([#9733](https://github.com/googleapis/google-cloud-go/issues/9733)) ([e4eb5b4](https://github.com/googleapis/google-cloud-go/commit/e4eb5b46ee2aec9d2fc18300bfd66015e25a0510))
## [0.2.3](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.2.2...compute/metadata/v0.2.3) (2022-12-15)
### Bug Fixes
* **compute/metadata:** Switch DNS lookup to an absolute lookup ([119b410](https://github.com/googleapis/google-cloud-go/commit/119b41060c7895e45e48aee5621ad35607c4d021)), refs [#7165](https://github.com/googleapis/google-cloud-go/issues/7165)
## [0.2.2](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.2.1...compute/metadata/v0.2.2) (2022-12-01)
### Bug Fixes
* **compute/metadata:** Set IdleConnTimeout for http.Client ([#7084](https://github.com/googleapis/google-cloud-go/issues/7084)) ([766516a](https://github.com/googleapis/google-cloud-go/commit/766516aaf3816bfb3159efeea65aa3d1d205a3e2)), refs [#5430](https://github.com/googleapis/google-cloud-go/issues/5430)
## [0.1.0] (2022-10-26)
Initial release of metadata being it's own module.
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+27
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# Compute API
[![Go Reference](https://pkg.go.dev/badge/cloud.google.com/go/compute.svg)](https://pkg.go.dev/cloud.google.com/go/compute/metadata)
This is a utility library for communicating with Google Cloud metadata service
on Google Cloud.
## Install
```bash
go get cloud.google.com/go/compute/metadata
```
## Go Version Support
See the [Go Versions Supported](https://github.com/googleapis/google-cloud-go#go-versions-supported)
section in the root directory's README.
## Contributing
Contributions are welcome. Please, see the [CONTRIBUTING](https://github.com/GoogleCloudPlatform/google-cloud-go/blob/main/CONTRIBUTING.md)
document for details.
Please note that this project is released with a Contributor Code of Conduct.
By participating in this project you agree to abide by its terms. See
[Contributor Code of Conduct](https://github.com/GoogleCloudPlatform/google-cloud-go/blob/main/CONTRIBUTING.md#contributor-code-of-conduct)
for more information.
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// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package metadata
import (
"bytes"
"context"
"encoding/json"
"fmt"
"log/slog"
"net/http"
"strings"
)
// Code below this point is copied from github.com/googleapis/gax-go/v2/internallog
// to avoid the dependency. The compute/metadata module is used by too many
// non-client library modules that can't justify the dependency.
// The handler returned if logging is not enabled.
type noOpHandler struct{}
func (h noOpHandler) Enabled(_ context.Context, _ slog.Level) bool {
return false
}
func (h noOpHandler) Handle(_ context.Context, _ slog.Record) error {
return nil
}
func (h noOpHandler) WithAttrs(_ []slog.Attr) slog.Handler {
return h
}
func (h noOpHandler) WithGroup(_ string) slog.Handler {
return h
}
// httpRequest returns a lazily evaluated [slog.LogValuer] for a
// [http.Request] and the associated body.
func httpRequest(req *http.Request, body []byte) slog.LogValuer {
return &request{
req: req,
payload: body,
}
}
type request struct {
req *http.Request
payload []byte
}
func (r *request) LogValue() slog.Value {
if r == nil || r.req == nil {
return slog.Value{}
}
var groupValueAttrs []slog.Attr
groupValueAttrs = append(groupValueAttrs, slog.String("method", r.req.Method))
groupValueAttrs = append(groupValueAttrs, slog.String("url", r.req.URL.String()))
var headerAttr []slog.Attr
for k, val := range r.req.Header {
headerAttr = append(headerAttr, slog.String(k, strings.Join(val, ",")))
}
if len(headerAttr) > 0 {
groupValueAttrs = append(groupValueAttrs, slog.Any("headers", headerAttr))
}
if len(r.payload) > 0 {
if attr, ok := processPayload(r.payload); ok {
groupValueAttrs = append(groupValueAttrs, attr)
}
}
return slog.GroupValue(groupValueAttrs...)
}
// httpResponse returns a lazily evaluated [slog.LogValuer] for a
// [http.Response] and the associated body.
func httpResponse(resp *http.Response, body []byte) slog.LogValuer {
return &response{
resp: resp,
payload: body,
}
}
type response struct {
resp *http.Response
payload []byte
}
func (r *response) LogValue() slog.Value {
if r == nil {
return slog.Value{}
}
var groupValueAttrs []slog.Attr
groupValueAttrs = append(groupValueAttrs, slog.String("status", fmt.Sprint(r.resp.StatusCode)))
var headerAttr []slog.Attr
for k, val := range r.resp.Header {
headerAttr = append(headerAttr, slog.String(k, strings.Join(val, ",")))
}
if len(headerAttr) > 0 {
groupValueAttrs = append(groupValueAttrs, slog.Any("headers", headerAttr))
}
if len(r.payload) > 0 {
if attr, ok := processPayload(r.payload); ok {
groupValueAttrs = append(groupValueAttrs, attr)
}
}
return slog.GroupValue(groupValueAttrs...)
}
func processPayload(payload []byte) (slog.Attr, bool) {
peekChar := payload[0]
if peekChar == '{' {
// JSON object
var m map[string]any
if err := json.Unmarshal(payload, &m); err == nil {
return slog.Any("payload", m), true
}
} else if peekChar == '[' {
// JSON array
var m []any
if err := json.Unmarshal(payload, &m); err == nil {
return slog.Any("payload", m), true
}
} else {
// Everything else
buf := &bytes.Buffer{}
if err := json.Compact(buf, payload); err != nil {
// Write raw payload incase of error
buf.Write(payload)
}
return slog.String("payload", buf.String()), true
}
return slog.Attr{}, false
}
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// Copyright 2014 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package metadata provides access to Google Compute Engine (GCE)
// metadata and API service accounts.
//
// This package is a wrapper around the GCE metadata service,
// as documented at https://cloud.google.com/compute/docs/metadata/overview.
package metadata // import "cloud.google.com/go/compute/metadata"
import (
"context"
"encoding/json"
"fmt"
"io"
"log/slog"
"net"
"net/http"
"net/url"
"os"
"strings"
"sync"
"time"
)
const (
// metadataIP is the documented metadata server IP address.
metadataIP = "169.254.169.254"
// metadataHostEnv is the environment variable specifying the
// GCE metadata hostname. If empty, the default value of
// metadataIP ("169.254.169.254") is used instead.
// This is variable name is not defined by any spec, as far as
// I know; it was made up for the Go package.
metadataHostEnv = "GCE_METADATA_HOST"
userAgent = "gcloud-golang/0.1"
)
type cachedValue struct {
k string
trim bool
mu sync.Mutex
v string
}
var (
projID = &cachedValue{k: "project/project-id", trim: true}
projNum = &cachedValue{k: "project/numeric-project-id", trim: true}
instID = &cachedValue{k: "instance/id", trim: true}
)
var defaultClient = &Client{
hc: newDefaultHTTPClient(),
logger: slog.New(noOpHandler{}),
}
func newDefaultHTTPClient() *http.Client {
return &http.Client{
Transport: &http.Transport{
Dial: (&net.Dialer{
Timeout: 2 * time.Second,
KeepAlive: 30 * time.Second,
}).Dial,
IdleConnTimeout: 60 * time.Second,
},
Timeout: 5 * time.Second,
}
}
// NotDefinedError is returned when requested metadata is not defined.
//
// The underlying string is the suffix after "/computeMetadata/v1/".
//
// This error is not returned if the value is defined to be the empty
// string.
type NotDefinedError string
func (suffix NotDefinedError) Error() string {
return fmt.Sprintf("metadata: GCE metadata %q not defined", string(suffix))
}
func (c *cachedValue) get(ctx context.Context, cl *Client) (v string, err error) {
defer c.mu.Unlock()
c.mu.Lock()
if c.v != "" {
return c.v, nil
}
if c.trim {
v, err = cl.getTrimmed(ctx, c.k)
} else {
v, err = cl.GetWithContext(ctx, c.k)
}
if err == nil {
c.v = v
}
return
}
var (
onGCEOnce sync.Once
onGCE bool
)
// OnGCE reports whether this process is running on Google Compute Platforms.
// NOTE: True returned from `OnGCE` does not guarantee that the metadata server
// is accessible from this process and have all the metadata defined.
func OnGCE() bool {
onGCEOnce.Do(initOnGCE)
return onGCE
}
func initOnGCE() {
onGCE = testOnGCE()
}
func testOnGCE() bool {
// The user explicitly said they're on GCE, so trust them.
if os.Getenv(metadataHostEnv) != "" {
return true
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
resc := make(chan bool, 2)
// Try two strategies in parallel.
// See https://github.com/googleapis/google-cloud-go/issues/194
go func() {
req, _ := http.NewRequest("GET", "http://"+metadataIP, nil)
req.Header.Set("User-Agent", userAgent)
res, err := newDefaultHTTPClient().Do(req.WithContext(ctx))
if err != nil {
resc <- false
return
}
defer res.Body.Close()
resc <- res.Header.Get("Metadata-Flavor") == "Google"
}()
go func() {
resolver := &net.Resolver{}
addrs, err := resolver.LookupHost(ctx, "metadata.google.internal.")
if err != nil || len(addrs) == 0 {
resc <- false
return
}
resc <- strsContains(addrs, metadataIP)
}()
tryHarder := systemInfoSuggestsGCE()
if tryHarder {
res := <-resc
if res {
// The first strategy succeeded, so let's use it.
return true
}
// Wait for either the DNS or metadata server probe to
// contradict the other one and say we are running on
// GCE. Give it a lot of time to do so, since the system
// info already suggests we're running on a GCE BIOS.
timer := time.NewTimer(5 * time.Second)
defer timer.Stop()
select {
case res = <-resc:
return res
case <-timer.C:
// Too slow. Who knows what this system is.
return false
}
}
// There's no hint from the system info that we're running on
// GCE, so use the first probe's result as truth, whether it's
// true or false. The goal here is to optimize for speed for
// users who are NOT running on GCE. We can't assume that
// either a DNS lookup or an HTTP request to a blackholed IP
// address is fast. Worst case this should return when the
// metaClient's Transport.ResponseHeaderTimeout or
// Transport.Dial.Timeout fires (in two seconds).
return <-resc
}
// Subscribe calls Client.SubscribeWithContext on the default client.
//
// Deprecated: Please use the context aware variant [SubscribeWithContext].
func Subscribe(suffix string, fn func(v string, ok bool) error) error {
return defaultClient.SubscribeWithContext(context.Background(), suffix, func(ctx context.Context, v string, ok bool) error { return fn(v, ok) })
}
// SubscribeWithContext calls Client.SubscribeWithContext on the default client.
func SubscribeWithContext(ctx context.Context, suffix string, fn func(ctx context.Context, v string, ok bool) error) error {
return defaultClient.SubscribeWithContext(ctx, suffix, fn)
}
// Get calls Client.GetWithContext on the default client.
//
// Deprecated: Please use the context aware variant [GetWithContext].
func Get(suffix string) (string, error) {
return defaultClient.GetWithContext(context.Background(), suffix)
}
// GetWithContext calls Client.GetWithContext on the default client.
func GetWithContext(ctx context.Context, suffix string) (string, error) {
return defaultClient.GetWithContext(ctx, suffix)
}
// ProjectID returns the current instance's project ID string.
//
// Deprecated: Please use the context aware variant [ProjectIDWithContext].
func ProjectID() (string, error) {
return defaultClient.ProjectIDWithContext(context.Background())
}
// ProjectIDWithContext returns the current instance's project ID string.
func ProjectIDWithContext(ctx context.Context) (string, error) {
return defaultClient.ProjectIDWithContext(ctx)
}
// NumericProjectID returns the current instance's numeric project ID.
//
// Deprecated: Please use the context aware variant [NumericProjectIDWithContext].
func NumericProjectID() (string, error) {
return defaultClient.NumericProjectIDWithContext(context.Background())
}
// NumericProjectIDWithContext returns the current instance's numeric project ID.
func NumericProjectIDWithContext(ctx context.Context) (string, error) {
return defaultClient.NumericProjectIDWithContext(ctx)
}
// InternalIP returns the instance's primary internal IP address.
//
// Deprecated: Please use the context aware variant [InternalIPWithContext].
func InternalIP() (string, error) {
return defaultClient.InternalIPWithContext(context.Background())
}
// InternalIPWithContext returns the instance's primary internal IP address.
func InternalIPWithContext(ctx context.Context) (string, error) {
return defaultClient.InternalIPWithContext(ctx)
}
// ExternalIP returns the instance's primary external (public) IP address.
//
// Deprecated: Please use the context aware variant [ExternalIPWithContext].
func ExternalIP() (string, error) {
return defaultClient.ExternalIPWithContext(context.Background())
}
// ExternalIPWithContext returns the instance's primary external (public) IP address.
func ExternalIPWithContext(ctx context.Context) (string, error) {
return defaultClient.ExternalIPWithContext(ctx)
}
// Email calls Client.EmailWithContext on the default client.
//
// Deprecated: Please use the context aware variant [EmailWithContext].
func Email(serviceAccount string) (string, error) {
return defaultClient.EmailWithContext(context.Background(), serviceAccount)
}
// EmailWithContext calls Client.EmailWithContext on the default client.
func EmailWithContext(ctx context.Context, serviceAccount string) (string, error) {
return defaultClient.EmailWithContext(ctx, serviceAccount)
}
// Hostname returns the instance's hostname. This will be of the form
// "<instanceID>.c.<projID>.internal".
//
// Deprecated: Please use the context aware variant [HostnameWithContext].
func Hostname() (string, error) {
return defaultClient.HostnameWithContext(context.Background())
}
// HostnameWithContext returns the instance's hostname. This will be of the form
// "<instanceID>.c.<projID>.internal".
func HostnameWithContext(ctx context.Context) (string, error) {
return defaultClient.HostnameWithContext(ctx)
}
// InstanceTags returns the list of user-defined instance tags,
// assigned when initially creating a GCE instance.
//
// Deprecated: Please use the context aware variant [InstanceTagsWithContext].
func InstanceTags() ([]string, error) {
return defaultClient.InstanceTagsWithContext(context.Background())
}
// InstanceTagsWithContext returns the list of user-defined instance tags,
// assigned when initially creating a GCE instance.
func InstanceTagsWithContext(ctx context.Context) ([]string, error) {
return defaultClient.InstanceTagsWithContext(ctx)
}
// InstanceID returns the current VM's numeric instance ID.
//
// Deprecated: Please use the context aware variant [InstanceIDWithContext].
func InstanceID() (string, error) {
return defaultClient.InstanceIDWithContext(context.Background())
}
// InstanceIDWithContext returns the current VM's numeric instance ID.
func InstanceIDWithContext(ctx context.Context) (string, error) {
return defaultClient.InstanceIDWithContext(ctx)
}
// InstanceName returns the current VM's instance ID string.
//
// Deprecated: Please use the context aware variant [InstanceNameWithContext].
func InstanceName() (string, error) {
return defaultClient.InstanceNameWithContext(context.Background())
}
// InstanceNameWithContext returns the current VM's instance ID string.
func InstanceNameWithContext(ctx context.Context) (string, error) {
return defaultClient.InstanceNameWithContext(ctx)
}
// Zone returns the current VM's zone, such as "us-central1-b".
//
// Deprecated: Please use the context aware variant [ZoneWithContext].
func Zone() (string, error) {
return defaultClient.ZoneWithContext(context.Background())
}
// ZoneWithContext returns the current VM's zone, such as "us-central1-b".
func ZoneWithContext(ctx context.Context) (string, error) {
return defaultClient.ZoneWithContext(ctx)
}
// InstanceAttributes calls Client.InstanceAttributesWithContext on the default client.
//
// Deprecated: Please use the context aware variant [InstanceAttributesWithContext.
func InstanceAttributes() ([]string, error) {
return defaultClient.InstanceAttributesWithContext(context.Background())
}
// InstanceAttributesWithContext calls Client.ProjectAttributesWithContext on the default client.
func InstanceAttributesWithContext(ctx context.Context) ([]string, error) {
return defaultClient.InstanceAttributesWithContext(ctx)
}
// ProjectAttributes calls Client.ProjectAttributesWithContext on the default client.
//
// Deprecated: Please use the context aware variant [ProjectAttributesWithContext].
func ProjectAttributes() ([]string, error) {
return defaultClient.ProjectAttributesWithContext(context.Background())
}
// ProjectAttributesWithContext calls Client.ProjectAttributesWithContext on the default client.
func ProjectAttributesWithContext(ctx context.Context) ([]string, error) {
return defaultClient.ProjectAttributesWithContext(ctx)
}
// InstanceAttributeValue calls Client.InstanceAttributeValueWithContext on the default client.
//
// Deprecated: Please use the context aware variant [InstanceAttributeValueWithContext].
func InstanceAttributeValue(attr string) (string, error) {
return defaultClient.InstanceAttributeValueWithContext(context.Background(), attr)
}
// InstanceAttributeValueWithContext calls Client.InstanceAttributeValueWithContext on the default client.
func InstanceAttributeValueWithContext(ctx context.Context, attr string) (string, error) {
return defaultClient.InstanceAttributeValueWithContext(ctx, attr)
}
// ProjectAttributeValue calls Client.ProjectAttributeValueWithContext on the default client.
//
// Deprecated: Please use the context aware variant [ProjectAttributeValueWithContext].
func ProjectAttributeValue(attr string) (string, error) {
return defaultClient.ProjectAttributeValueWithContext(context.Background(), attr)
}
// ProjectAttributeValueWithContext calls Client.ProjectAttributeValueWithContext on the default client.
func ProjectAttributeValueWithContext(ctx context.Context, attr string) (string, error) {
return defaultClient.ProjectAttributeValueWithContext(ctx, attr)
}
// Scopes calls Client.ScopesWithContext on the default client.
//
// Deprecated: Please use the context aware variant [ScopesWithContext].
func Scopes(serviceAccount string) ([]string, error) {
return defaultClient.ScopesWithContext(context.Background(), serviceAccount)
}
// ScopesWithContext calls Client.ScopesWithContext on the default client.
func ScopesWithContext(ctx context.Context, serviceAccount string) ([]string, error) {
return defaultClient.ScopesWithContext(ctx, serviceAccount)
}
func strsContains(ss []string, s string) bool {
for _, v := range ss {
if v == s {
return true
}
}
return false
}
// A Client provides metadata.
type Client struct {
hc *http.Client
logger *slog.Logger
}
// Options for configuring a [Client].
type Options struct {
// Client is the HTTP client used to make requests. Optional.
Client *http.Client
// Logger is used to log information about HTTP request and responses.
// If not provided, nothing will be logged. Optional.
Logger *slog.Logger
}
// NewClient returns a Client that can be used to fetch metadata.
// Returns the client that uses the specified http.Client for HTTP requests.
// If nil is specified, returns the default client.
func NewClient(c *http.Client) *Client {
return NewWithOptions(&Options{
Client: c,
})
}
// NewWithOptions returns a Client that is configured with the provided Options.
func NewWithOptions(opts *Options) *Client {
if opts == nil {
return defaultClient
}
client := opts.Client
if client == nil {
client = newDefaultHTTPClient()
}
logger := opts.Logger
if logger == nil {
logger = slog.New(noOpHandler{})
}
return &Client{hc: client, logger: logger}
}
// getETag returns a value from the metadata service as well as the associated ETag.
// This func is otherwise equivalent to Get.
func (c *Client) getETag(ctx context.Context, suffix string) (value, etag string, err error) {
// Using a fixed IP makes it very difficult to spoof the metadata service in
// a container, which is an important use-case for local testing of cloud
// deployments. To enable spoofing of the metadata service, the environment
// variable GCE_METADATA_HOST is first inspected to decide where metadata
// requests shall go.
host := os.Getenv(metadataHostEnv)
if host == "" {
// Using 169.254.169.254 instead of "metadata" here because Go
// binaries built with the "netgo" tag and without cgo won't
// know the search suffix for "metadata" is
// ".google.internal", and this IP address is documented as
// being stable anyway.
host = metadataIP
}
suffix = strings.TrimLeft(suffix, "/")
u := "http://" + host + "/computeMetadata/v1/" + suffix
req, err := http.NewRequestWithContext(ctx, "GET", u, nil)
if err != nil {
return "", "", err
}
req.Header.Set("Metadata-Flavor", "Google")
req.Header.Set("User-Agent", userAgent)
var res *http.Response
var reqErr error
var body []byte
retryer := newRetryer()
for {
c.logger.DebugContext(ctx, "metadata request", "request", httpRequest(req, nil))
res, reqErr = c.hc.Do(req)
var code int
if res != nil {
code = res.StatusCode
body, err = io.ReadAll(res.Body)
if err != nil {
res.Body.Close()
return "", "", err
}
c.logger.DebugContext(ctx, "metadata response", "response", httpResponse(res, body))
res.Body.Close()
}
if delay, shouldRetry := retryer.Retry(code, reqErr); shouldRetry {
if res != nil && res.Body != nil {
res.Body.Close()
}
if err := sleep(ctx, delay); err != nil {
return "", "", err
}
continue
}
break
}
if reqErr != nil {
return "", "", reqErr
}
if res.StatusCode == http.StatusNotFound {
return "", "", NotDefinedError(suffix)
}
if res.StatusCode != 200 {
return "", "", &Error{Code: res.StatusCode, Message: string(body)}
}
return string(body), res.Header.Get("Etag"), nil
}
// Get returns a value from the metadata service.
// The suffix is appended to "http://${GCE_METADATA_HOST}/computeMetadata/v1/".
//
// If the GCE_METADATA_HOST environment variable is not defined, a default of
// 169.254.169.254 will be used instead.
//
// If the requested metadata is not defined, the returned error will
// be of type NotDefinedError.
//
// Deprecated: Please use the context aware variant [Client.GetWithContext].
func (c *Client) Get(suffix string) (string, error) {
return c.GetWithContext(context.Background(), suffix)
}
// GetWithContext returns a value from the metadata service.
// The suffix is appended to "http://${GCE_METADATA_HOST}/computeMetadata/v1/".
//
// If the GCE_METADATA_HOST environment variable is not defined, a default of
// 169.254.169.254 will be used instead.
//
// If the requested metadata is not defined, the returned error will
// be of type NotDefinedError.
//
// NOTE: Without an extra deadline in the context this call can take in the
// worst case, with internal backoff retries, up to 15 seconds (e.g. when server
// is responding slowly). Pass context with additional timeouts when needed.
func (c *Client) GetWithContext(ctx context.Context, suffix string) (string, error) {
val, _, err := c.getETag(ctx, suffix)
return val, err
}
func (c *Client) getTrimmed(ctx context.Context, suffix string) (s string, err error) {
s, err = c.GetWithContext(ctx, suffix)
s = strings.TrimSpace(s)
return
}
func (c *Client) lines(ctx context.Context, suffix string) ([]string, error) {
j, err := c.GetWithContext(ctx, suffix)
if err != nil {
return nil, err
}
s := strings.Split(strings.TrimSpace(j), "\n")
for i := range s {
s[i] = strings.TrimSpace(s[i])
}
return s, nil
}
// ProjectID returns the current instance's project ID string.
//
// Deprecated: Please use the context aware variant [Client.ProjectIDWithContext].
func (c *Client) ProjectID() (string, error) { return c.ProjectIDWithContext(context.Background()) }
// ProjectIDWithContext returns the current instance's project ID string.
func (c *Client) ProjectIDWithContext(ctx context.Context) (string, error) { return projID.get(ctx, c) }
// NumericProjectID returns the current instance's numeric project ID.
//
// Deprecated: Please use the context aware variant [Client.NumericProjectIDWithContext].
func (c *Client) NumericProjectID() (string, error) {
return c.NumericProjectIDWithContext(context.Background())
}
// NumericProjectIDWithContext returns the current instance's numeric project ID.
func (c *Client) NumericProjectIDWithContext(ctx context.Context) (string, error) {
return projNum.get(ctx, c)
}
// InstanceID returns the current VM's numeric instance ID.
//
// Deprecated: Please use the context aware variant [Client.InstanceIDWithContext].
func (c *Client) InstanceID() (string, error) {
return c.InstanceIDWithContext(context.Background())
}
// InstanceIDWithContext returns the current VM's numeric instance ID.
func (c *Client) InstanceIDWithContext(ctx context.Context) (string, error) {
return instID.get(ctx, c)
}
// InternalIP returns the instance's primary internal IP address.
//
// Deprecated: Please use the context aware variant [Client.InternalIPWithContext].
func (c *Client) InternalIP() (string, error) {
return c.InternalIPWithContext(context.Background())
}
// InternalIPWithContext returns the instance's primary internal IP address.
func (c *Client) InternalIPWithContext(ctx context.Context) (string, error) {
return c.getTrimmed(ctx, "instance/network-interfaces/0/ip")
}
// Email returns the email address associated with the service account.
//
// Deprecated: Please use the context aware variant [Client.EmailWithContext].
func (c *Client) Email(serviceAccount string) (string, error) {
return c.EmailWithContext(context.Background(), serviceAccount)
}
// EmailWithContext returns the email address associated with the service account.
// The serviceAccount parameter default value (empty string or "default" value)
// will use the instance's main account.
func (c *Client) EmailWithContext(ctx context.Context, serviceAccount string) (string, error) {
if serviceAccount == "" {
serviceAccount = "default"
}
return c.getTrimmed(ctx, "instance/service-accounts/"+serviceAccount+"/email")
}
// ExternalIP returns the instance's primary external (public) IP address.
//
// Deprecated: Please use the context aware variant [Client.ExternalIPWithContext].
func (c *Client) ExternalIP() (string, error) {
return c.ExternalIPWithContext(context.Background())
}
// ExternalIPWithContext returns the instance's primary external (public) IP address.
func (c *Client) ExternalIPWithContext(ctx context.Context) (string, error) {
return c.getTrimmed(ctx, "instance/network-interfaces/0/access-configs/0/external-ip")
}
// Hostname returns the instance's hostname. This will be of the form
// "<instanceID>.c.<projID>.internal".
//
// Deprecated: Please use the context aware variant [Client.HostnameWithContext].
func (c *Client) Hostname() (string, error) {
return c.HostnameWithContext(context.Background())
}
// HostnameWithContext returns the instance's hostname. This will be of the form
// "<instanceID>.c.<projID>.internal".
func (c *Client) HostnameWithContext(ctx context.Context) (string, error) {
return c.getTrimmed(ctx, "instance/hostname")
}
// InstanceTags returns the list of user-defined instance tags.
//
// Deprecated: Please use the context aware variant [Client.InstanceTagsWithContext].
func (c *Client) InstanceTags() ([]string, error) {
return c.InstanceTagsWithContext(context.Background())
}
// InstanceTagsWithContext returns the list of user-defined instance tags,
// assigned when initially creating a GCE instance.
func (c *Client) InstanceTagsWithContext(ctx context.Context) ([]string, error) {
var s []string
j, err := c.GetWithContext(ctx, "instance/tags")
if err != nil {
return nil, err
}
if err := json.NewDecoder(strings.NewReader(j)).Decode(&s); err != nil {
return nil, err
}
return s, nil
}
// InstanceName returns the current VM's instance ID string.
//
// Deprecated: Please use the context aware variant [Client.InstanceNameWithContext].
func (c *Client) InstanceName() (string, error) {
return c.InstanceNameWithContext(context.Background())
}
// InstanceNameWithContext returns the current VM's instance ID string.
func (c *Client) InstanceNameWithContext(ctx context.Context) (string, error) {
return c.getTrimmed(ctx, "instance/name")
}
// Zone returns the current VM's zone, such as "us-central1-b".
//
// Deprecated: Please use the context aware variant [Client.ZoneWithContext].
func (c *Client) Zone() (string, error) {
return c.ZoneWithContext(context.Background())
}
// ZoneWithContext returns the current VM's zone, such as "us-central1-b".
func (c *Client) ZoneWithContext(ctx context.Context) (string, error) {
zone, err := c.getTrimmed(ctx, "instance/zone")
// zone is of the form "projects/<projNum>/zones/<zoneName>".
if err != nil {
return "", err
}
return zone[strings.LastIndex(zone, "/")+1:], nil
}
// InstanceAttributes returns the list of user-defined attributes,
// assigned when initially creating a GCE VM instance. The value of an
// attribute can be obtained with InstanceAttributeValue.
//
// Deprecated: Please use the context aware variant [Client.InstanceAttributesWithContext].
func (c *Client) InstanceAttributes() ([]string, error) {
return c.InstanceAttributesWithContext(context.Background())
}
// InstanceAttributesWithContext returns the list of user-defined attributes,
// assigned when initially creating a GCE VM instance. The value of an
// attribute can be obtained with InstanceAttributeValue.
func (c *Client) InstanceAttributesWithContext(ctx context.Context) ([]string, error) {
return c.lines(ctx, "instance/attributes/")
}
// ProjectAttributes returns the list of user-defined attributes
// applying to the project as a whole, not just this VM. The value of
// an attribute can be obtained with ProjectAttributeValue.
//
// Deprecated: Please use the context aware variant [Client.ProjectAttributesWithContext].
func (c *Client) ProjectAttributes() ([]string, error) {
return c.ProjectAttributesWithContext(context.Background())
}
// ProjectAttributesWithContext returns the list of user-defined attributes
// applying to the project as a whole, not just this VM. The value of
// an attribute can be obtained with ProjectAttributeValue.
func (c *Client) ProjectAttributesWithContext(ctx context.Context) ([]string, error) {
return c.lines(ctx, "project/attributes/")
}
// InstanceAttributeValue returns the value of the provided VM
// instance attribute.
//
// If the requested attribute is not defined, the returned error will
// be of type NotDefinedError.
//
// InstanceAttributeValue may return ("", nil) if the attribute was
// defined to be the empty string.
//
// Deprecated: Please use the context aware variant [Client.InstanceAttributeValueWithContext].
func (c *Client) InstanceAttributeValue(attr string) (string, error) {
return c.InstanceAttributeValueWithContext(context.Background(), attr)
}
// InstanceAttributeValueWithContext returns the value of the provided VM
// instance attribute.
//
// If the requested attribute is not defined, the returned error will
// be of type NotDefinedError.
//
// InstanceAttributeValue may return ("", nil) if the attribute was
// defined to be the empty string.
func (c *Client) InstanceAttributeValueWithContext(ctx context.Context, attr string) (string, error) {
return c.GetWithContext(ctx, "instance/attributes/"+attr)
}
// ProjectAttributeValue returns the value of the provided
// project attribute.
//
// If the requested attribute is not defined, the returned error will
// be of type NotDefinedError.
//
// ProjectAttributeValue may return ("", nil) if the attribute was
// defined to be the empty string.
//
// Deprecated: Please use the context aware variant [Client.ProjectAttributeValueWithContext].
func (c *Client) ProjectAttributeValue(attr string) (string, error) {
return c.ProjectAttributeValueWithContext(context.Background(), attr)
}
// ProjectAttributeValueWithContext returns the value of the provided
// project attribute.
//
// If the requested attribute is not defined, the returned error will
// be of type NotDefinedError.
//
// ProjectAttributeValue may return ("", nil) if the attribute was
// defined to be the empty string.
func (c *Client) ProjectAttributeValueWithContext(ctx context.Context, attr string) (string, error) {
return c.GetWithContext(ctx, "project/attributes/"+attr)
}
// Scopes returns the service account scopes for the given account.
// The account may be empty or the string "default" to use the instance's
// main account.
//
// Deprecated: Please use the context aware variant [Client.ScopesWithContext].
func (c *Client) Scopes(serviceAccount string) ([]string, error) {
return c.ScopesWithContext(context.Background(), serviceAccount)
}
// ScopesWithContext returns the service account scopes for the given account.
// The account may be empty or the string "default" to use the instance's
// main account.
func (c *Client) ScopesWithContext(ctx context.Context, serviceAccount string) ([]string, error) {
if serviceAccount == "" {
serviceAccount = "default"
}
return c.lines(ctx, "instance/service-accounts/"+serviceAccount+"/scopes")
}
// Subscribe subscribes to a value from the metadata service.
// The suffix is appended to "http://${GCE_METADATA_HOST}/computeMetadata/v1/".
// The suffix may contain query parameters.
//
// Deprecated: Please use the context aware variant [Client.SubscribeWithContext].
func (c *Client) Subscribe(suffix string, fn func(v string, ok bool) error) error {
return c.SubscribeWithContext(context.Background(), suffix, func(ctx context.Context, v string, ok bool) error { return fn(v, ok) })
}
// SubscribeWithContext subscribes to a value from the metadata service.
// The suffix is appended to "http://${GCE_METADATA_HOST}/computeMetadata/v1/".
// The suffix may contain query parameters.
//
// SubscribeWithContext calls fn with the latest metadata value indicated by the
// provided suffix. If the metadata value is deleted, fn is called with the
// empty string and ok false. Subscribe blocks until fn returns a non-nil error
// or the value is deleted. Subscribe returns the error value returned from the
// last call to fn, which may be nil when ok == false.
func (c *Client) SubscribeWithContext(ctx context.Context, suffix string, fn func(ctx context.Context, v string, ok bool) error) error {
const failedSubscribeSleep = time.Second * 5
// First check to see if the metadata value exists at all.
val, lastETag, err := c.getETag(ctx, suffix)
if err != nil {
return err
}
if err := fn(ctx, val, true); err != nil {
return err
}
ok := true
if strings.ContainsRune(suffix, '?') {
suffix += "&wait_for_change=true&last_etag="
} else {
suffix += "?wait_for_change=true&last_etag="
}
for {
val, etag, err := c.getETag(ctx, suffix+url.QueryEscape(lastETag))
if err != nil {
if _, deleted := err.(NotDefinedError); !deleted {
time.Sleep(failedSubscribeSleep)
continue // Retry on other errors.
}
ok = false
}
lastETag = etag
if err := fn(ctx, val, ok); err != nil || !ok {
return err
}
}
}
// Error contains an error response from the server.
type Error struct {
// Code is the HTTP response status code.
Code int
// Message is the server response message.
Message string
}
func (e *Error) Error() string {
return fmt.Sprintf("compute: Received %d `%s`", e.Code, e.Message)
}
+114
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@@ -0,0 +1,114 @@
// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package metadata
import (
"context"
"io"
"math/rand"
"net/http"
"time"
)
const (
maxRetryAttempts = 5
)
var (
syscallRetryable = func(error) bool { return false }
)
// defaultBackoff is basically equivalent to gax.Backoff without the need for
// the dependency.
type defaultBackoff struct {
max time.Duration
mul float64
cur time.Duration
}
func (b *defaultBackoff) Pause() time.Duration {
d := time.Duration(1 + rand.Int63n(int64(b.cur)))
b.cur = time.Duration(float64(b.cur) * b.mul)
if b.cur > b.max {
b.cur = b.max
}
return d
}
// sleep is the equivalent of gax.Sleep without the need for the dependency.
func sleep(ctx context.Context, d time.Duration) error {
t := time.NewTimer(d)
select {
case <-ctx.Done():
t.Stop()
return ctx.Err()
case <-t.C:
return nil
}
}
func newRetryer() *metadataRetryer {
return &metadataRetryer{bo: &defaultBackoff{
cur: 100 * time.Millisecond,
max: 30 * time.Second,
mul: 2,
}}
}
type backoff interface {
Pause() time.Duration
}
type metadataRetryer struct {
bo backoff
attempts int
}
func (r *metadataRetryer) Retry(status int, err error) (time.Duration, bool) {
if status == http.StatusOK {
return 0, false
}
retryOk := shouldRetry(status, err)
if !retryOk {
return 0, false
}
if r.attempts == maxRetryAttempts {
return 0, false
}
r.attempts++
return r.bo.Pause(), true
}
func shouldRetry(status int, err error) bool {
if 500 <= status && status <= 599 {
return true
}
if err == io.ErrUnexpectedEOF {
return true
}
// Transient network errors should be retried.
if syscallRetryable(err) {
return true
}
if err, ok := err.(interface{ Temporary() bool }); ok {
if err.Temporary() {
return true
}
}
if err, ok := err.(interface{ Unwrap() error }); ok {
return shouldRetry(status, err.Unwrap())
}
return false
}
+31
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@@ -0,0 +1,31 @@
// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build linux
// +build linux
package metadata
import (
"errors"
"syscall"
)
func init() {
// Initialize syscallRetryable to return true on transient socket-level
// errors. These errors are specific to Linux.
syscallRetryable = func(err error) bool {
return errors.Is(err, syscall.ECONNRESET) || errors.Is(err, syscall.ECONNREFUSED)
}
}
+26
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@@ -0,0 +1,26 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !windows && !linux
package metadata
// systemInfoSuggestsGCE reports whether the local system (without
// doing network requests) suggests that we're running on GCE. If this
// returns true, testOnGCE tries a bit harder to reach its metadata
// server.
func systemInfoSuggestsGCE() bool {
// We don't currently have checks for other GOOS
return false
}
+28
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@@ -0,0 +1,28 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build linux
package metadata
import (
"os"
"strings"
)
func systemInfoSuggestsGCE() bool {
b, _ := os.ReadFile("/sys/class/dmi/id/product_name")
name := strings.TrimSpace(string(b))
return name == "Google" || name == "Google Compute Engine"
}
+38
View File
@@ -0,0 +1,38 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build windows
package metadata
import (
"strings"
"golang.org/x/sys/windows/registry"
)
func systemInfoSuggestsGCE() bool {
k, err := registry.OpenKey(registry.LOCAL_MACHINE, `SYSTEM\HardwareConfig\Current`, registry.QUERY_VALUE)
if err != nil {
return false
}
defer k.Close()
s, _, err := k.GetStringValue("SystemProductName")
if err != nil {
return false
}
s = strings.TrimSpace(s)
return strings.HasPrefix(s, "Google")
}
+269
View File
@@ -0,0 +1,269 @@
# Changes
## [1.18.0](https://github.com/googleapis/google-cloud-go/compare/firestore/v1.17.0...firestore/v1.18.0) (2025-01-02)
### Features
* **firestore:** Add String method for Update struct ([#11355](https://github.com/googleapis/google-cloud-go/issues/11355)) ([2320c35](https://github.com/googleapis/google-cloud-go/commit/2320c35ad9a7244c992bfe528e8d49fdc4089369))
* **firestore:** Add WithCommitResponseTo TransactionOption ([#6967](https://github.com/googleapis/google-cloud-go/issues/6967)) ([eb25266](https://github.com/googleapis/google-cloud-go/commit/eb252663ad0bdabbd5de1767b42a69fd2aee54b2))
* **firestore:** Surfacing the error returned from the service in Bulkwriter ([#10826](https://github.com/googleapis/google-cloud-go/issues/10826)) ([9ae039a](https://github.com/googleapis/google-cloud-go/commit/9ae039a38856133a2bde4c3bd70155d17538c974))
### Bug Fixes
* **firestore:** Add UTF-8 validation ([#10881](https://github.com/googleapis/google-cloud-go/issues/10881)) ([9199843](https://github.com/googleapis/google-cloud-go/commit/9199843947bc3a0fa415dba50ba2221850e0fbad))
* **firestore:** Allow using != with nil ([#11112](https://github.com/googleapis/google-cloud-go/issues/11112)) ([5b59819](https://github.com/googleapis/google-cloud-go/commit/5b59819e2d603ef55c4cf056b70af6a08d335373))
* **firestore:** Update golang.org/x/net to v0.33.0 ([e9b0b69](https://github.com/googleapis/google-cloud-go/commit/e9b0b69644ea5b276cacff0a707e8a5e87efafc9))
* **firestore:** Update google.golang.org/api to v0.203.0 ([8bb87d5](https://github.com/googleapis/google-cloud-go/commit/8bb87d56af1cba736e0fe243979723e747e5e11e))
* **firestore:** WARNING: On approximately Dec 1, 2024, an update to Protobuf will change service registration function signatures to use an interface instead of a concrete type in generated .pb.go files. This change is expected to affect very few if any users of this client library. For more information, see https://togithub.com/googleapis/google-cloud-go/issues/11020. ([8bb87d5](https://github.com/googleapis/google-cloud-go/commit/8bb87d56af1cba736e0fe243979723e747e5e11e))
## [1.17.0](https://github.com/googleapis/google-cloud-go/compare/firestore/v1.16.0...firestore/v1.17.0) (2024-09-11)
### Features
* **firestore/apiv1:** Add Database.CmekConfig and Database.cmek_config (information about CMEK enablement) ([2d5a9f9](https://github.com/googleapis/google-cloud-go/commit/2d5a9f9ea9a31e341f9a380ae50a650d48c29e99))
* **firestore/apiv1:** Add Database.delete_time (the time a database was deleted, if it ever was) ([2d5a9f9](https://github.com/googleapis/google-cloud-go/commit/2d5a9f9ea9a31e341f9a380ae50a650d48c29e99))
* **firestore/apiv1:** Add Database.previous_id (if a database was deleted, what ID it was using beforehand) ([2d5a9f9](https://github.com/googleapis/google-cloud-go/commit/2d5a9f9ea9a31e341f9a380ae50a650d48c29e99))
* **firestore/apiv1:** Add Database.SourceInfo and Database.source_info (information about database provenance, specifically for restored databases) ([2d5a9f9](https://github.com/googleapis/google-cloud-go/commit/2d5a9f9ea9a31e341f9a380ae50a650d48c29e99))
* **firestore/apiv1:** Allow specifying an encryption_config when restoring a database ([2d5a9f9](https://github.com/googleapis/google-cloud-go/commit/2d5a9f9ea9a31e341f9a380ae50a650d48c29e99))
* **firestore:** Add support for Go 1.23 iterators ([84461c0](https://github.com/googleapis/google-cloud-go/commit/84461c0ba464ec2f951987ba60030e37c8a8fc18))
* **firestore:** Expose the `FindNearest.distance_result_field` parameter ([9a5144e](https://github.com/googleapis/google-cloud-go/commit/9a5144e7d30c6f058b13fdf3fd9436904e77dff0))
* **firestore:** Expose the `FindNearest.distance_threshold` parameter ([9a5144e](https://github.com/googleapis/google-cloud-go/commit/9a5144e7d30c6f058b13fdf3fd9436904e77dff0))
* **firestore:** Query profiling ([#10164](https://github.com/googleapis/google-cloud-go/issues/10164)) ([58052a2](https://github.com/googleapis/google-cloud-go/commit/58052a2eefd56b3129e04f177398b3ffb688d4d7))
### Bug Fixes
* **firestore:** Bump dependencies ([2ddeb15](https://github.com/googleapis/google-cloud-go/commit/2ddeb1544a53188a7592046b98913982f1b0cf04))
* **firestore:** Retry batchwrite only on retryable errors ([#10603](https://github.com/googleapis/google-cloud-go/issues/10603)) ([23e5df5](https://github.com/googleapis/google-cloud-go/commit/23e5df5b8ee40317ab0d1ac6bb2b92ccc054426c))
* **firestore:** Update google.golang.org/api to v0.191.0 ([5b32644](https://github.com/googleapis/google-cloud-go/commit/5b32644eb82eb6bd6021f80b4fad471c60fb9d73))
### Documentation
* **firestore/apiv1:** Clarify maximum retention of backups (max 14 weeks) ([2710d0f](https://github.com/googleapis/google-cloud-go/commit/2710d0f8c66c17f1ddb1d4cc287f7aeb701c0f72))
* **firestore/apiv1:** Clarify restore details ([2d5a9f9](https://github.com/googleapis/google-cloud-go/commit/2d5a9f9ea9a31e341f9a380ae50a650d48c29e99))
* **firestore/apiv1:** Fix assorted capitalization issues with the word "ID" ([2d5a9f9](https://github.com/googleapis/google-cloud-go/commit/2d5a9f9ea9a31e341f9a380ae50a650d48c29e99))
* **firestore/apiv1:** Remove note about backups running at a specific time ([2710d0f](https://github.com/googleapis/google-cloud-go/commit/2710d0f8c66c17f1ddb1d4cc287f7aeb701c0f72))
* **firestore/apiv1:** Standardize on the capitalization of "ID" ([2710d0f](https://github.com/googleapis/google-cloud-go/commit/2710d0f8c66c17f1ddb1d4cc287f7aeb701c0f72))
* **firestore:** Minor documentation clarifications on FindNearest DistanceMeasure options ([5b4b0f7](https://github.com/googleapis/google-cloud-go/commit/5b4b0f7878276ab5709011778b1b4a6ffd30a60b))
## [1.16.0](https://github.com/googleapis/google-cloud-go/compare/firestore/v1.15.0...firestore/v1.16.0) (2024-07-24)
### Features
* **firestore/apiv1:** Add bulk delete api ([#10369](https://github.com/googleapis/google-cloud-go/issues/10369)) ([134f567](https://github.com/googleapis/google-cloud-go/commit/134f567c18892d6050f60ae875a3de7738104da0))
* **firestore/apiv1:** Add Vector Index API ([f8ff971](https://github.com/googleapis/google-cloud-go/commit/f8ff971366999aefb5eb5189c6c9e2bd76a05d9e))
* **firestore:** Adding vector search ([#10548](https://github.com/googleapis/google-cloud-go/issues/10548)) ([5c0d6df](https://github.com/googleapis/google-cloud-go/commit/5c0d6df5cc28659c5fbd54329f8b6c134cf95730))
### Bug Fixes
* **firestore:** Bump google.golang.org/api@v0.187.0 ([8fa9e39](https://github.com/googleapis/google-cloud-go/commit/8fa9e398e512fd8533fd49060371e61b5725a85b))
* **firestore:** Bump google.golang.org/grpc@v1.64.1 ([8ecc4e9](https://github.com/googleapis/google-cloud-go/commit/8ecc4e9622e5bbe9b90384d5848ab816027226c5))
* **firestore:** Bump x/net to v0.24.0 ([ba31ed5](https://github.com/googleapis/google-cloud-go/commit/ba31ed5fda2c9664f2e1cf972469295e63deb5b4))
* **firestore:** Move createIndexes calls ([#9714](https://github.com/googleapis/google-cloud-go/issues/9714)) ([d931626](https://github.com/googleapis/google-cloud-go/commit/d9316263ca4ad0667d4a0f886a4977b36585b572))
* **firestore:** Update dependencies ([257c40b](https://github.com/googleapis/google-cloud-go/commit/257c40bd6d7e59730017cf32bda8823d7a232758))
### Documentation
* **firestore/apiv1:** Allow 14 week backup retention for Firestore daily backups ([#9685](https://github.com/googleapis/google-cloud-go/issues/9685)) ([2cdc40a](https://github.com/googleapis/google-cloud-go/commit/2cdc40a0b4288f5ab5f2b2b8f5c1d6453a9c81ec))
* **firestore/apiv1:** Correct BackupSchedule recurrence docs that mentioned specific time of day ([fe85be0](https://github.com/googleapis/google-cloud-go/commit/fe85be03d1e6ba69182ff1045a3faed15aa00128))
* **firestore/apiv1:** Update field api description ([134f567](https://github.com/googleapis/google-cloud-go/commit/134f567c18892d6050f60ae875a3de7738104da0))
## [1.15.0](https://github.com/googleapis/google-cloud-go/compare/firestore/v1.14.0...firestore/v1.15.0) (2024-03-05)
### Features
* **firestore/apiv1:** Add DeleteDatabase API and delete protection ([#9185](https://github.com/googleapis/google-cloud-go/issues/9185)) ([ec9b526](https://github.com/googleapis/google-cloud-go/commit/ec9b5268627734c40efd15353cf4bc83a837ff3a))
* **firestore/apiv1:** Expose Firestore PITR fields in Database to stable ([5132d0f](https://github.com/googleapis/google-cloud-go/commit/5132d0fea3a5ac902a2c9eee865241ed4509a5f4))
* **firestore:** Add new types QueryMode, QueryPlan, ResultSetStats ([82054d0](https://github.com/googleapis/google-cloud-go/commit/82054d0e6905358e48517cbc8ea844dfb624082c))
### Bug Fixes
* **firestore:** Bump google.golang.org/api to v0.149.0 ([8d2ab9f](https://github.com/googleapis/google-cloud-go/commit/8d2ab9f320a86c1c0fab90513fc05861561d0880))
* **firestore:** Correct the cursors when LimitToLast is used ([#9413](https://github.com/googleapis/google-cloud-go/issues/9413)) ([2090651](https://github.com/googleapis/google-cloud-go/commit/2090651b4a7a1dc3be5af4e7ac4607fbc3ffccac))
* **firestore:** Enable universe domain resolution options ([fd1d569](https://github.com/googleapis/google-cloud-go/commit/fd1d56930fa8a747be35a224611f4797b8aeb698))
* **firestore:** Remove types QueryMode, QueryPlan, ResultSetStats ([97d62c7](https://github.com/googleapis/google-cloud-go/commit/97d62c7a6a305c47670ea9c147edc444f4bf8620))
* **firestore:** Return status code from bulkwriter results ([#9030](https://github.com/googleapis/google-cloud-go/issues/9030)) ([e8223c6](https://github.com/googleapis/google-cloud-go/commit/e8223c6ee544237b54b351e421b7092dc3b237a6))
* **firestore:** Update grpc-go to v1.56.3 ([343cea8](https://github.com/googleapis/google-cloud-go/commit/343cea8c43b1e31ae21ad50ad31d3b0b60143f8c))
* **firestore:** Update grpc-go to v1.59.0 ([81a97b0](https://github.com/googleapis/google-cloud-go/commit/81a97b06cb28b25432e4ece595c55a9857e960b7))
### Documentation
* **firestore/apiv1:** Fix formatting due to unclosed backtick ([0500c7a](https://github.com/googleapis/google-cloud-go/commit/0500c7a7f9a9e8629a091558fa258ca7c5028474))
## [1.14.0](https://github.com/googleapis/google-cloud-go/compare/firestore/v1.13.0...firestore/v1.14.0) (2023-10-19)
### Features
* **firestore:** SUM and AVG aggregations ([#8293](https://github.com/googleapis/google-cloud-go/issues/8293)) ([011f9ff](https://github.com/googleapis/google-cloud-go/commit/011f9ff083bebad5c30443b3b0fd9df68579a65b))
### Bug Fixes
* **firestore:** Update golang.org/x/net to v0.17.0 ([174da47](https://github.com/googleapis/google-cloud-go/commit/174da47254fefb12921bbfc65b7829a453af6f5d))
## [1.13.0](https://github.com/googleapis/google-cloud-go/compare/firestore/v1.12.0...firestore/v1.13.0) (2023-09-18)
### Features
* **firestore:** Support for multiple databases ([#5331](https://github.com/googleapis/google-cloud-go/issues/5331)) ([94d4b1b](https://github.com/googleapis/google-cloud-go/commit/94d4b1b58d2c8f3dac18e7efb0be641b6311c775))
### Bug Fixes
* **firestore:** Compare full resource path when docs ordered by __name__ ([#8409](https://github.com/googleapis/google-cloud-go/issues/8409)) ([5ef93de](https://github.com/googleapis/google-cloud-go/commit/5ef93de226b854bdf6277b7f906b86755a07d229))
* **firestore:** Correcting EndBefore with LimitToLast behaviour ([#8370](https://github.com/googleapis/google-cloud-go/issues/8370)) ([350f7ad](https://github.com/googleapis/google-cloud-go/commit/350f7adb2a087811a70f1c05bf71014022aefeb4))
## [1.12.0](https://github.com/googleapis/google-cloud-go/compare/firestore/v1.11.0...firestore/v1.12.0) (2023-08-01)
### Features
* **firestore:** Publish proto definitions for SUM/AVG in Firestore ([e3f8c89](https://github.com/googleapis/google-cloud-go/commit/e3f8c89429a207c05fee36d5d93efe76f9e29efe))
## [1.11.0](https://github.com/googleapis/google-cloud-go/compare/firestore/v1.10.0...firestore/v1.11.0) (2023-06-26)
### Features
* **firestore:** Update all direct dependencies ([b340d03](https://github.com/googleapis/google-cloud-go/commit/b340d030f2b52a4ce48846ce63984b28583abde6))
### Bug Fixes
* **firestore:** Cleanup integration test resources ([#8057](https://github.com/googleapis/google-cloud-go/issues/8057)) ([210584d](https://github.com/googleapis/google-cloud-go/commit/210584df494e9627dd13c24138fcbebe85048647))
* **firestore:** Do not trace iterator.Done error ([#8082](https://github.com/googleapis/google-cloud-go/issues/8082)) ([5f24d17](https://github.com/googleapis/google-cloud-go/commit/5f24d173db35358d241de186953cd094dae312c9)), refs [#7711](https://github.com/googleapis/google-cloud-go/issues/7711)
* **firestore:** REST query UpdateMask bug ([df52820](https://github.com/googleapis/google-cloud-go/commit/df52820b0e7721954809a8aa8700b93c5662dc9b))
## [1.10.0](https://github.com/googleapis/google-cloud-go/compare/firestore/v1.9.0...firestore/v1.10.0) (2023-05-22)
### Features
* **firestore:** Add `OR` query support docs: Improve the API documentation for the `Firestore.ListDocuments` RPC docs: Minor documentation formatting and cleanup ([aeb6fec](https://github.com/googleapis/google-cloud-go/commit/aeb6fecc7fd3f088ff461a0c068ceb9a7ae7b2a3))
* **firestore:** Add bloom filter related proto fields PiperOrigin-RevId: 529511263 ([31c3766](https://github.com/googleapis/google-cloud-go/commit/31c3766c9c4cab411669c14fc1a30bd6d2e3f2dd))
* **firestore:** Add REST client ([06a54a1](https://github.com/googleapis/google-cloud-go/commit/06a54a16a5866cce966547c51e203b9e09a25bc0))
* **firestore:** Added support for REST transport ([aeb6fec](https://github.com/googleapis/google-cloud-go/commit/aeb6fecc7fd3f088ff461a0c068ceb9a7ae7b2a3))
* **firestore:** EntityFilter for AND/OR queries ([#7757](https://github.com/googleapis/google-cloud-go/issues/7757)) ([ae37793](https://github.com/googleapis/google-cloud-go/commit/ae377932de20d99f31766ca1cccd2d1cfa18a1c0))
* **firestore:** Rewrite signatures and type in terms of new location ([620e6d8](https://github.com/googleapis/google-cloud-go/commit/620e6d828ad8641663ae351bfccfe46281e817ad))
* **firestore:** Update iam and longrunning deps ([91a1f78](https://github.com/googleapis/google-cloud-go/commit/91a1f784a109da70f63b96414bba8a9b4254cddd))
### Bug Fixes
* **firestore:** Enable rest_numeric_enums for PHP client ([2fef56f](https://github.com/googleapis/google-cloud-go/commit/2fef56f75a63dc4ff6e0eea56c7b26d4831c8e27))
* **firestore:** Replace usage of transform with update_transform in batch write ([#7864](https://github.com/googleapis/google-cloud-go/issues/7864)) ([949e4d8](https://github.com/googleapis/google-cloud-go/commit/949e4d8001040e78f2ad9b1e5cbf5b9113d8f3ef))
* **firestore:** Update grpc to v1.55.0 ([1147ce0](https://github.com/googleapis/google-cloud-go/commit/1147ce02a990276ca4f8ab7a1ab65c14da4450ef))
## [1.9.0](https://github.com/googleapis/google-cloud-go/compare/firestore/v1.8.0...firestore/v1.9.0) (2022-11-29)
### Features
* **firestore:** start generating proto stubs ([eed371e](https://github.com/googleapis/google-cloud-go/commit/eed371e9b1639c81663c6858db119fb87a126454))
### Documentation
* **firestore:** Adds emulator snippet ([#6926](https://github.com/googleapis/google-cloud-go/issues/6926)) ([456afab](https://github.com/googleapis/google-cloud-go/commit/456afab76f078ef58b7e5b3409acc6b3f71c5b79))
## [1.8.0](https://github.com/googleapis/google-cloud-go/compare/firestore/v1.7.0...firestore/v1.8.0) (2022-10-17)
### Features
* **firestore:** Adds COUNT aggregation query ([#6692](https://github.com/googleapis/google-cloud-go/issues/6692)) ([31ac692](https://github.com/googleapis/google-cloud-go/commit/31ac692d925065981a695266d1e4e22e5374725e))
* **firestore:** Adds snapshot reads impl. ([#6718](https://github.com/googleapis/google-cloud-go/issues/6718)) ([43cc5bc](https://github.com/googleapis/google-cloud-go/commit/43cc5bc068d2f3abdde6c65beaac349218fc1a02))
## [1.7.0](https://github.com/googleapis/google-cloud-go/compare/firestore/v1.6.1...firestore/v1.7.0) (2022-10-06)
### Features
* **firestore/apiv1:** add firestore aggregation query apis to the stable googleapis branch ([ec1a190](https://github.com/googleapis/google-cloud-go/commit/ec1a190abbc4436fcaeaa1421c7d9df624042752))
* **firestore:** Adds Bulkwriter support to Firestore client ([#5946](https://github.com/googleapis/google-cloud-go/issues/5946)) ([20b6c1b](https://github.com/googleapis/google-cloud-go/commit/20b6c1bbbc28311f4388e163cd9358d1ac0e94d4))
* **firestore:** expose read_time fields in Firestore PartitionQuery and ListCollectionIds, currently only available in private preview ([90489b1](https://github.com/googleapis/google-cloud-go/commit/90489b10fd7da4cfafe326e00d1f4d81570147f7))
### [1.6.1](https://www.github.com/googleapis/google-cloud-go/compare/firestore/v1.6.0...firestore/v1.6.1) (2021-10-29)
### Bug Fixes
* **firestore:** prefer exact matches when reflecting fields ([#4908](https://www.github.com/googleapis/google-cloud-go/issues/4908)) ([d3d9420](https://www.github.com/googleapis/google-cloud-go/commit/d3d94205995ad910bd277f1f930cef4ac86c8040))
## [1.6.0](https://www.github.com/googleapis/google-cloud-go/compare/firestore/v1.5.0...firestore/v1.6.0) (2021-09-09)
### Features
* **firestore:** Add support for PartitionQuery ([#4206](https://www.github.com/googleapis/google-cloud-go/issues/4206)) ([b34783a](https://www.github.com/googleapis/google-cloud-go/commit/b34783a4d7a8c88204e0f44bd411795d8267d811))
* **firestore:** Support DocumentRefs in OrderBy, Add Query.Serialize, Query.Deserialize for cross machine serialization ([#4347](https://www.github.com/googleapis/google-cloud-go/issues/4347)) ([a0f7a02](https://www.github.com/googleapis/google-cloud-go/commit/a0f7a02bd8db90fa2297c6e84658868901ef9566))
### Bug Fixes
* **firestore:** correct an issue with returning empty paritions from GetPartionedQueries ([#4346](https://www.github.com/googleapis/google-cloud-go/issues/4346)) ([b2a6171](https://www.github.com/googleapis/google-cloud-go/commit/b2a61719b3caf43b095fc290b23de245a2135512))
* **firestore:** remove excessive spans on iterator ([#4163](https://www.github.com/googleapis/google-cloud-go/issues/4163)) ([812ef1f](https://www.github.com/googleapis/google-cloud-go/commit/812ef1ffdce2e87570660b58f0e725ad51f68546))
* **firestore:** retry RESOURCE_EXHAUSTED errors docs: various documentation improvements ([9a459d5](https://www.github.com/googleapis/google-cloud-go/commit/9a459d5d149b9c3b02a35d4245d164b899ff09b3))
## [1.5.0](https://www.github.com/googleapis/google-cloud-go/compare/v1.4.0...v1.5.0) (2021-02-24)
### Features
* **firestore:** add opencensus tracing support ([#2942](https://www.github.com/googleapis/google-cloud-go/issues/2942)) ([257f322](https://www.github.com/googleapis/google-cloud-go/commit/257f322e68b75765bd316ccefed5461d4df538a0))
### Bug Fixes
* **firestore:** address a missing branch in watch.stop() error remapping ([#3643](https://www.github.com/googleapis/google-cloud-go/issues/3643)) ([89ad55d](https://www.github.com/googleapis/google-cloud-go/commit/89ad55d72f79995a68f9c2ed1cd9b5ba50009d6d))
## [1.4.0](https://www.github.com/googleapis/google-cloud-go/compare/firestore/v1.3.0...v1.4.0) (2020-12-03)
### Features
* **firestore:** support "!=" and "not-in" query operators ([#3207](https://www.github.com/googleapis/google-cloud-go/issues/3207)) ([5c44019](https://www.github.com/googleapis/google-cloud-go/commit/5c440192105fe3e9b5dd1b584118b309113935e3)), closes [/firebase.google.com/support/release-notes/js#version_7210_-_september_17_2020](https://www.github.com/googleapis//firebase.google.com/support/release-notes/js/issues/version_7210_-_september_17_2020)
## v1.3.0
- Add support for LimitToLast feature for queries. This allows
a query to return the final N results. See docs
[here](https://firebase.google.com/docs/reference/js/firebase.database.Query#limittolast).
- Add support for FieldTransformMinimum and FieldTransformMaximum.
- Add exported SetGoogleClientInfo method.
- Various updates to autogenerated clients.
## v1.2.0
- Deprecate v1beta1 client.
- Fix serverTimestamp docs.
- Add missing operators to query docs.
- Make document IDs 20 alpha-numeric characters. Previously, there could be more
than 20 non-alphanumeric characters, which broke some users. See
https://github.com/googleapis/google-cloud-go/issues/1715.
- Various updates to autogenerated clients.
## v1.1.1
- Fix bug in CollectionGroup query validation.
## v1.1.0
- Add support for `in` and `array-contains-any` query operators.
## v1.0.0
This is the first tag to carve out firestore as its own module. See:
https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository.
+202
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Apache License
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+13
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# Copy textproto files in this directory from the source of truth.
SRC=$(GOPATH)/src/github.com/GoogleCloudPlatform/google-cloud-common/testing/firestore
.PHONY: refresh-tests
refresh-tests:
-rm genproto/*.pb.go
cp $(SRC)/genproto/*.pb.go genproto
-rm testdata/*.textproto
cp $(SRC)/testdata/*.textproto testdata
openssl dgst -sha1 $(SRC)/testdata/test-suite.binproto > testdata/VERSION
+211
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@@ -0,0 +1,211 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Code generated by protoc-gen-go_gapic. DO NOT EDIT.
package firestore
import (
firestorepb "cloud.google.com/go/firestore/apiv1/firestorepb"
longrunningpb "cloud.google.com/go/longrunning/autogen/longrunningpb"
"google.golang.org/api/iterator"
)
// CursorIterator manages a stream of *firestorepb.Cursor.
type CursorIterator struct {
items []*firestorepb.Cursor
pageInfo *iterator.PageInfo
nextFunc func() error
// Response is the raw response for the current page.
// It must be cast to the RPC response type.
// Calling Next() or InternalFetch() updates this value.
Response interface{}
// InternalFetch is for use by the Google Cloud Libraries only.
// It is not part of the stable interface of this package.
//
// InternalFetch returns results from a single call to the underlying RPC.
// The number of results is no greater than pageSize.
// If there are no more results, nextPageToken is empty and err is nil.
InternalFetch func(pageSize int, pageToken string) (results []*firestorepb.Cursor, nextPageToken string, err error)
}
// PageInfo supports pagination. See the [google.golang.org/api/iterator] package for details.
func (it *CursorIterator) PageInfo() *iterator.PageInfo {
return it.pageInfo
}
// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *CursorIterator) Next() (*firestorepb.Cursor, error) {
var item *firestorepb.Cursor
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *CursorIterator) bufLen() int {
return len(it.items)
}
func (it *CursorIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
// DocumentIterator manages a stream of *firestorepb.Document.
type DocumentIterator struct {
items []*firestorepb.Document
pageInfo *iterator.PageInfo
nextFunc func() error
// Response is the raw response for the current page.
// It must be cast to the RPC response type.
// Calling Next() or InternalFetch() updates this value.
Response interface{}
// InternalFetch is for use by the Google Cloud Libraries only.
// It is not part of the stable interface of this package.
//
// InternalFetch returns results from a single call to the underlying RPC.
// The number of results is no greater than pageSize.
// If there are no more results, nextPageToken is empty and err is nil.
InternalFetch func(pageSize int, pageToken string) (results []*firestorepb.Document, nextPageToken string, err error)
}
// PageInfo supports pagination. See the [google.golang.org/api/iterator] package for details.
func (it *DocumentIterator) PageInfo() *iterator.PageInfo {
return it.pageInfo
}
// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *DocumentIterator) Next() (*firestorepb.Document, error) {
var item *firestorepb.Document
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *DocumentIterator) bufLen() int {
return len(it.items)
}
func (it *DocumentIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
// OperationIterator manages a stream of *longrunningpb.Operation.
type OperationIterator struct {
items []*longrunningpb.Operation
pageInfo *iterator.PageInfo
nextFunc func() error
// Response is the raw response for the current page.
// It must be cast to the RPC response type.
// Calling Next() or InternalFetch() updates this value.
Response interface{}
// InternalFetch is for use by the Google Cloud Libraries only.
// It is not part of the stable interface of this package.
//
// InternalFetch returns results from a single call to the underlying RPC.
// The number of results is no greater than pageSize.
// If there are no more results, nextPageToken is empty and err is nil.
InternalFetch func(pageSize int, pageToken string) (results []*longrunningpb.Operation, nextPageToken string, err error)
}
// PageInfo supports pagination. See the [google.golang.org/api/iterator] package for details.
func (it *OperationIterator) PageInfo() *iterator.PageInfo {
return it.pageInfo
}
// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *OperationIterator) Next() (*longrunningpb.Operation, error) {
var item *longrunningpb.Operation
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *OperationIterator) bufLen() int {
return len(it.items)
}
func (it *OperationIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
// StringIterator manages a stream of string.
type StringIterator struct {
items []string
pageInfo *iterator.PageInfo
nextFunc func() error
// Response is the raw response for the current page.
// It must be cast to the RPC response type.
// Calling Next() or InternalFetch() updates this value.
Response interface{}
// InternalFetch is for use by the Google Cloud Libraries only.
// It is not part of the stable interface of this package.
//
// InternalFetch returns results from a single call to the underlying RPC.
// The number of results is no greater than pageSize.
// If there are no more results, nextPageToken is empty and err is nil.
InternalFetch func(pageSize int, pageToken string) (results []string, nextPageToken string, err error)
}
// PageInfo supports pagination. See the [google.golang.org/api/iterator] package for details.
func (it *StringIterator) PageInfo() *iterator.PageInfo {
return it.pageInfo
}
// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *StringIterator) Next() (string, error) {
var item string
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *StringIterator) bufLen() int {
return len(it.items)
}
func (it *StringIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
+51
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@@ -0,0 +1,51 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Code generated by protoc-gen-go_gapic. DO NOT EDIT.
//go:build go1.23
package firestore
import (
"iter"
firestorepb "cloud.google.com/go/firestore/apiv1/firestorepb"
longrunningpb "cloud.google.com/go/longrunning/autogen/longrunningpb"
"github.com/googleapis/gax-go/v2/iterator"
)
// All returns an iterator. If an error is returned by the iterator, the
// iterator will stop after that iteration.
func (it *CursorIterator) All() iter.Seq2[*firestorepb.Cursor, error] {
return iterator.RangeAdapter(it.Next)
}
// All returns an iterator. If an error is returned by the iterator, the
// iterator will stop after that iteration.
func (it *DocumentIterator) All() iter.Seq2[*firestorepb.Document, error] {
return iterator.RangeAdapter(it.Next)
}
// All returns an iterator. If an error is returned by the iterator, the
// iterator will stop after that iteration.
func (it *OperationIterator) All() iter.Seq2[*longrunningpb.Operation, error] {
return iterator.RangeAdapter(it.Next)
}
// All returns an iterator. If an error is returned by the iterator, the
// iterator will stop after that iteration.
func (it *StringIterator) All() iter.Seq2[string, error] {
return iterator.RangeAdapter(it.Next)
}
+73
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@@ -0,0 +1,73 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Code generated by protoc-gen-go_gapic. DO NOT EDIT.
// Package firestore is an auto-generated package for the
// Cloud Firestore API.
//
// Accesses the NoSQL document database built for automatic scaling, high
// performance, and ease of application development.
//
// # General documentation
//
// For information that is relevant for all client libraries please reference
// https://pkg.go.dev/cloud.google.com/go#pkg-overview. Some information on this
// page includes:
//
// - [Authentication and Authorization]
// - [Timeouts and Cancellation]
// - [Testing against Client Libraries]
// - [Debugging Client Libraries]
// - [Inspecting errors]
//
// # Example usage
//
// To get started with this package, create a client.
//
// // go get cloud.google.com/go/firestore/apiv1@latest
// ctx := context.Background()
// // This snippet has been automatically generated and should be regarded as a code template only.
// // It will require modifications to work:
// // - It may require correct/in-range values for request initialization.
// // - It may require specifying regional endpoints when creating the service client as shown in:
// // https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
// c, err := firestore.NewClient(ctx)
// if err != nil {
// // TODO: Handle error.
// }
// defer c.Close()
//
// The client will use your default application credentials. Clients should be reused instead of created as needed.
// The methods of Client are safe for concurrent use by multiple goroutines.
// The returned client must be Closed when it is done being used.
//
// # Using the Client
//
// The following is an example of making an API call with the newly created client, mentioned above.
//
// # Use of Context
//
// The ctx passed to NewClient is used for authentication requests and
// for creating the underlying connection, but is not used for subsequent calls.
// Individual methods on the client use the ctx given to them.
//
// To close the open connection, use the Close() method.
//
// [Authentication and Authorization]: https://pkg.go.dev/cloud.google.com/go#hdr-Authentication_and_Authorization
// [Timeouts and Cancellation]: https://pkg.go.dev/cloud.google.com/go#hdr-Timeouts_and_Cancellation
// [Testing against Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Testing
// [Debugging Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Debugging
// [Inspecting errors]: https://pkg.go.dev/cloud.google.com/go#hdr-Inspecting_errors
package firestore // import "cloud.google.com/go/firestore/apiv1"
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,185 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.35.2
// protoc v4.25.3
// source: google/firestore/v1/aggregation_result.proto
package firestorepb
import (
reflect "reflect"
sync "sync"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
// The result of a single bucket from a Firestore aggregation query.
//
// The keys of `aggregate_fields` are the same for all results in an aggregation
// query, unlike document queries which can have different fields present for
// each result.
type AggregationResult struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// The result of the aggregation functions, ex: `COUNT(*) AS total_docs`.
//
// The key is the
// [alias][google.firestore.v1.StructuredAggregationQuery.Aggregation.alias]
// assigned to the aggregation function on input and the size of this map
// equals the number of aggregation functions in the query.
AggregateFields map[string]*Value `protobuf:"bytes,2,rep,name=aggregate_fields,json=aggregateFields,proto3" json:"aggregate_fields,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
}
func (x *AggregationResult) Reset() {
*x = AggregationResult{}
mi := &file_google_firestore_v1_aggregation_result_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *AggregationResult) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*AggregationResult) ProtoMessage() {}
func (x *AggregationResult) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_aggregation_result_proto_msgTypes[0]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use AggregationResult.ProtoReflect.Descriptor instead.
func (*AggregationResult) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_aggregation_result_proto_rawDescGZIP(), []int{0}
}
func (x *AggregationResult) GetAggregateFields() map[string]*Value {
if x != nil {
return x.AggregateFields
}
return nil
}
var File_google_firestore_v1_aggregation_result_proto protoreflect.FileDescriptor
var file_google_firestore_v1_aggregation_result_proto_rawDesc = []byte{
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}
var (
file_google_firestore_v1_aggregation_result_proto_rawDescOnce sync.Once
file_google_firestore_v1_aggregation_result_proto_rawDescData = file_google_firestore_v1_aggregation_result_proto_rawDesc
)
func file_google_firestore_v1_aggregation_result_proto_rawDescGZIP() []byte {
file_google_firestore_v1_aggregation_result_proto_rawDescOnce.Do(func() {
file_google_firestore_v1_aggregation_result_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_firestore_v1_aggregation_result_proto_rawDescData)
})
return file_google_firestore_v1_aggregation_result_proto_rawDescData
}
var file_google_firestore_v1_aggregation_result_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
var file_google_firestore_v1_aggregation_result_proto_goTypes = []any{
(*AggregationResult)(nil), // 0: google.firestore.v1.AggregationResult
nil, // 1: google.firestore.v1.AggregationResult.AggregateFieldsEntry
(*Value)(nil), // 2: google.firestore.v1.Value
}
var file_google_firestore_v1_aggregation_result_proto_depIdxs = []int32{
1, // 0: google.firestore.v1.AggregationResult.aggregate_fields:type_name -> google.firestore.v1.AggregationResult.AggregateFieldsEntry
2, // 1: google.firestore.v1.AggregationResult.AggregateFieldsEntry.value:type_name -> google.firestore.v1.Value
2, // [2:2] is the sub-list for method output_type
2, // [2:2] is the sub-list for method input_type
2, // [2:2] is the sub-list for extension type_name
2, // [2:2] is the sub-list for extension extendee
0, // [0:2] is the sub-list for field type_name
}
func init() { file_google_firestore_v1_aggregation_result_proto_init() }
func file_google_firestore_v1_aggregation_result_proto_init() {
if File_google_firestore_v1_aggregation_result_proto != nil {
return
}
file_google_firestore_v1_document_proto_init()
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_google_firestore_v1_aggregation_result_proto_rawDesc,
NumEnums: 0,
NumMessages: 2,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_google_firestore_v1_aggregation_result_proto_goTypes,
DependencyIndexes: file_google_firestore_v1_aggregation_result_proto_depIdxs,
MessageInfos: file_google_firestore_v1_aggregation_result_proto_msgTypes,
}.Build()
File_google_firestore_v1_aggregation_result_proto = out.File
file_google_firestore_v1_aggregation_result_proto_rawDesc = nil
file_google_firestore_v1_aggregation_result_proto_goTypes = nil
file_google_firestore_v1_aggregation_result_proto_depIdxs = nil
}
@@ -0,0 +1,261 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.35.2
// protoc v4.25.3
// source: google/firestore/v1/bloom_filter.proto
package firestorepb
import (
reflect "reflect"
sync "sync"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
// A sequence of bits, encoded in a byte array.
//
// Each byte in the `bitmap` byte array stores 8 bits of the sequence. The only
// exception is the last byte, which may store 8 _or fewer_ bits. The `padding`
// defines the number of bits of the last byte to be ignored as "padding". The
// values of these "padding" bits are unspecified and must be ignored.
//
// To retrieve the first bit, bit 0, calculate: `(bitmap[0] & 0x01) != 0`.
// To retrieve the second bit, bit 1, calculate: `(bitmap[0] & 0x02) != 0`.
// To retrieve the third bit, bit 2, calculate: `(bitmap[0] & 0x04) != 0`.
// To retrieve the fourth bit, bit 3, calculate: `(bitmap[0] & 0x08) != 0`.
// To retrieve bit n, calculate: `(bitmap[n / 8] & (0x01 << (n % 8))) != 0`.
//
// The "size" of a `BitSequence` (the number of bits it contains) is calculated
// by this formula: `(bitmap.length * 8) - padding`.
type BitSequence struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// The bytes that encode the bit sequence.
// May have a length of zero.
Bitmap []byte `protobuf:"bytes,1,opt,name=bitmap,proto3" json:"bitmap,omitempty"`
// The number of bits of the last byte in `bitmap` to ignore as "padding".
// If the length of `bitmap` is zero, then this value must be `0`.
// Otherwise, this value must be between 0 and 7, inclusive.
Padding int32 `protobuf:"varint,2,opt,name=padding,proto3" json:"padding,omitempty"`
}
func (x *BitSequence) Reset() {
*x = BitSequence{}
mi := &file_google_firestore_v1_bloom_filter_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *BitSequence) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*BitSequence) ProtoMessage() {}
func (x *BitSequence) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_bloom_filter_proto_msgTypes[0]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use BitSequence.ProtoReflect.Descriptor instead.
func (*BitSequence) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_bloom_filter_proto_rawDescGZIP(), []int{0}
}
func (x *BitSequence) GetBitmap() []byte {
if x != nil {
return x.Bitmap
}
return nil
}
func (x *BitSequence) GetPadding() int32 {
if x != nil {
return x.Padding
}
return 0
}
// A bloom filter (https://en.wikipedia.org/wiki/Bloom_filter).
//
// The bloom filter hashes the entries with MD5 and treats the resulting 128-bit
// hash as 2 distinct 64-bit hash values, interpreted as unsigned integers
// using 2's complement encoding.
//
// These two hash values, named `h1` and `h2`, are then used to compute the
// `hash_count` hash values using the formula, starting at `i=0`:
//
// h(i) = h1 + (i * h2)
//
// These resulting values are then taken modulo the number of bits in the bloom
// filter to get the bits of the bloom filter to test for the given entry.
type BloomFilter struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// The bloom filter data.
Bits *BitSequence `protobuf:"bytes,1,opt,name=bits,proto3" json:"bits,omitempty"`
// The number of hashes used by the algorithm.
HashCount int32 `protobuf:"varint,2,opt,name=hash_count,json=hashCount,proto3" json:"hash_count,omitempty"`
}
func (x *BloomFilter) Reset() {
*x = BloomFilter{}
mi := &file_google_firestore_v1_bloom_filter_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *BloomFilter) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*BloomFilter) ProtoMessage() {}
func (x *BloomFilter) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_bloom_filter_proto_msgTypes[1]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use BloomFilter.ProtoReflect.Descriptor instead.
func (*BloomFilter) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_bloom_filter_proto_rawDescGZIP(), []int{1}
}
func (x *BloomFilter) GetBits() *BitSequence {
if x != nil {
return x.Bits
}
return nil
}
func (x *BloomFilter) GetHashCount() int32 {
if x != nil {
return x.HashCount
}
return 0
}
var File_google_firestore_v1_bloom_filter_proto protoreflect.FileDescriptor
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0x72, 0x6f, 0x74, 0x6f, 0x33,
}
var (
file_google_firestore_v1_bloom_filter_proto_rawDescOnce sync.Once
file_google_firestore_v1_bloom_filter_proto_rawDescData = file_google_firestore_v1_bloom_filter_proto_rawDesc
)
func file_google_firestore_v1_bloom_filter_proto_rawDescGZIP() []byte {
file_google_firestore_v1_bloom_filter_proto_rawDescOnce.Do(func() {
file_google_firestore_v1_bloom_filter_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_firestore_v1_bloom_filter_proto_rawDescData)
})
return file_google_firestore_v1_bloom_filter_proto_rawDescData
}
var file_google_firestore_v1_bloom_filter_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
var file_google_firestore_v1_bloom_filter_proto_goTypes = []any{
(*BitSequence)(nil), // 0: google.firestore.v1.BitSequence
(*BloomFilter)(nil), // 1: google.firestore.v1.BloomFilter
}
var file_google_firestore_v1_bloom_filter_proto_depIdxs = []int32{
0, // 0: google.firestore.v1.BloomFilter.bits:type_name -> google.firestore.v1.BitSequence
1, // [1:1] is the sub-list for method output_type
1, // [1:1] is the sub-list for method input_type
1, // [1:1] is the sub-list for extension type_name
1, // [1:1] is the sub-list for extension extendee
0, // [0:1] is the sub-list for field type_name
}
func init() { file_google_firestore_v1_bloom_filter_proto_init() }
func file_google_firestore_v1_bloom_filter_proto_init() {
if File_google_firestore_v1_bloom_filter_proto != nil {
return
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_google_firestore_v1_bloom_filter_proto_rawDesc,
NumEnums: 0,
NumMessages: 2,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_google_firestore_v1_bloom_filter_proto_goTypes,
DependencyIndexes: file_google_firestore_v1_bloom_filter_proto_depIdxs,
MessageInfos: file_google_firestore_v1_bloom_filter_proto_msgTypes,
}.Build()
File_google_firestore_v1_bloom_filter_proto = out.File
file_google_firestore_v1_bloom_filter_proto_rawDesc = nil
file_google_firestore_v1_bloom_filter_proto_goTypes = nil
file_google_firestore_v1_bloom_filter_proto_depIdxs = nil
}
+510
View File
@@ -0,0 +1,510 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.35.2
// protoc v4.25.3
// source: google/firestore/v1/common.proto
package firestorepb
import (
reflect "reflect"
sync "sync"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
timestamppb "google.golang.org/protobuf/types/known/timestamppb"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
// A set of field paths on a document.
// Used to restrict a get or update operation on a document to a subset of its
// fields.
// This is different from standard field masks, as this is always scoped to a
// [Document][google.firestore.v1.Document], and takes in account the dynamic
// nature of [Value][google.firestore.v1.Value].
type DocumentMask struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// The list of field paths in the mask. See
// [Document.fields][google.firestore.v1.Document.fields] for a field path
// syntax reference.
FieldPaths []string `protobuf:"bytes,1,rep,name=field_paths,json=fieldPaths,proto3" json:"field_paths,omitempty"`
}
func (x *DocumentMask) Reset() {
*x = DocumentMask{}
mi := &file_google_firestore_v1_common_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *DocumentMask) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*DocumentMask) ProtoMessage() {}
func (x *DocumentMask) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_common_proto_msgTypes[0]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use DocumentMask.ProtoReflect.Descriptor instead.
func (*DocumentMask) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_common_proto_rawDescGZIP(), []int{0}
}
func (x *DocumentMask) GetFieldPaths() []string {
if x != nil {
return x.FieldPaths
}
return nil
}
// A precondition on a document, used for conditional operations.
type Precondition struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// The type of precondition.
//
// Types that are assignable to ConditionType:
//
// *Precondition_Exists
// *Precondition_UpdateTime
ConditionType isPrecondition_ConditionType `protobuf_oneof:"condition_type"`
}
func (x *Precondition) Reset() {
*x = Precondition{}
mi := &file_google_firestore_v1_common_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *Precondition) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Precondition) ProtoMessage() {}
func (x *Precondition) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_common_proto_msgTypes[1]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Precondition.ProtoReflect.Descriptor instead.
func (*Precondition) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_common_proto_rawDescGZIP(), []int{1}
}
func (m *Precondition) GetConditionType() isPrecondition_ConditionType {
if m != nil {
return m.ConditionType
}
return nil
}
func (x *Precondition) GetExists() bool {
if x, ok := x.GetConditionType().(*Precondition_Exists); ok {
return x.Exists
}
return false
}
func (x *Precondition) GetUpdateTime() *timestamppb.Timestamp {
if x, ok := x.GetConditionType().(*Precondition_UpdateTime); ok {
return x.UpdateTime
}
return nil
}
type isPrecondition_ConditionType interface {
isPrecondition_ConditionType()
}
type Precondition_Exists struct {
// When set to `true`, the target document must exist.
// When set to `false`, the target document must not exist.
Exists bool `protobuf:"varint,1,opt,name=exists,proto3,oneof"`
}
type Precondition_UpdateTime struct {
// When set, the target document must exist and have been last updated at
// that time. Timestamp must be microsecond aligned.
UpdateTime *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=update_time,json=updateTime,proto3,oneof"`
}
func (*Precondition_Exists) isPrecondition_ConditionType() {}
func (*Precondition_UpdateTime) isPrecondition_ConditionType() {}
// Options for creating a new transaction.
type TransactionOptions struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// The mode of the transaction.
//
// Types that are assignable to Mode:
//
// *TransactionOptions_ReadOnly_
// *TransactionOptions_ReadWrite_
Mode isTransactionOptions_Mode `protobuf_oneof:"mode"`
}
func (x *TransactionOptions) Reset() {
*x = TransactionOptions{}
mi := &file_google_firestore_v1_common_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *TransactionOptions) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*TransactionOptions) ProtoMessage() {}
func (x *TransactionOptions) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_common_proto_msgTypes[2]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use TransactionOptions.ProtoReflect.Descriptor instead.
func (*TransactionOptions) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_common_proto_rawDescGZIP(), []int{2}
}
func (m *TransactionOptions) GetMode() isTransactionOptions_Mode {
if m != nil {
return m.Mode
}
return nil
}
func (x *TransactionOptions) GetReadOnly() *TransactionOptions_ReadOnly {
if x, ok := x.GetMode().(*TransactionOptions_ReadOnly_); ok {
return x.ReadOnly
}
return nil
}
func (x *TransactionOptions) GetReadWrite() *TransactionOptions_ReadWrite {
if x, ok := x.GetMode().(*TransactionOptions_ReadWrite_); ok {
return x.ReadWrite
}
return nil
}
type isTransactionOptions_Mode interface {
isTransactionOptions_Mode()
}
type TransactionOptions_ReadOnly_ struct {
// The transaction can only be used for read operations.
ReadOnly *TransactionOptions_ReadOnly `protobuf:"bytes,2,opt,name=read_only,json=readOnly,proto3,oneof"`
}
type TransactionOptions_ReadWrite_ struct {
// The transaction can be used for both read and write operations.
ReadWrite *TransactionOptions_ReadWrite `protobuf:"bytes,3,opt,name=read_write,json=readWrite,proto3,oneof"`
}
func (*TransactionOptions_ReadOnly_) isTransactionOptions_Mode() {}
func (*TransactionOptions_ReadWrite_) isTransactionOptions_Mode() {}
// Options for a transaction that can be used to read and write documents.
//
// Firestore does not allow 3rd party auth requests to create read-write.
// transactions.
type TransactionOptions_ReadWrite struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// An optional transaction to retry.
RetryTransaction []byte `protobuf:"bytes,1,opt,name=retry_transaction,json=retryTransaction,proto3" json:"retry_transaction,omitempty"`
}
func (x *TransactionOptions_ReadWrite) Reset() {
*x = TransactionOptions_ReadWrite{}
mi := &file_google_firestore_v1_common_proto_msgTypes[3]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *TransactionOptions_ReadWrite) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*TransactionOptions_ReadWrite) ProtoMessage() {}
func (x *TransactionOptions_ReadWrite) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_common_proto_msgTypes[3]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use TransactionOptions_ReadWrite.ProtoReflect.Descriptor instead.
func (*TransactionOptions_ReadWrite) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_common_proto_rawDescGZIP(), []int{2, 0}
}
func (x *TransactionOptions_ReadWrite) GetRetryTransaction() []byte {
if x != nil {
return x.RetryTransaction
}
return nil
}
// Options for a transaction that can only be used to read documents.
type TransactionOptions_ReadOnly struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// The consistency mode for this transaction. If not set, defaults to strong
// consistency.
//
// Types that are assignable to ConsistencySelector:
//
// *TransactionOptions_ReadOnly_ReadTime
ConsistencySelector isTransactionOptions_ReadOnly_ConsistencySelector `protobuf_oneof:"consistency_selector"`
}
func (x *TransactionOptions_ReadOnly) Reset() {
*x = TransactionOptions_ReadOnly{}
mi := &file_google_firestore_v1_common_proto_msgTypes[4]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *TransactionOptions_ReadOnly) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*TransactionOptions_ReadOnly) ProtoMessage() {}
func (x *TransactionOptions_ReadOnly) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_common_proto_msgTypes[4]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use TransactionOptions_ReadOnly.ProtoReflect.Descriptor instead.
func (*TransactionOptions_ReadOnly) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_common_proto_rawDescGZIP(), []int{2, 1}
}
func (m *TransactionOptions_ReadOnly) GetConsistencySelector() isTransactionOptions_ReadOnly_ConsistencySelector {
if m != nil {
return m.ConsistencySelector
}
return nil
}
func (x *TransactionOptions_ReadOnly) GetReadTime() *timestamppb.Timestamp {
if x, ok := x.GetConsistencySelector().(*TransactionOptions_ReadOnly_ReadTime); ok {
return x.ReadTime
}
return nil
}
type isTransactionOptions_ReadOnly_ConsistencySelector interface {
isTransactionOptions_ReadOnly_ConsistencySelector()
}
type TransactionOptions_ReadOnly_ReadTime struct {
// Reads documents at the given time.
//
// This must be a microsecond precision timestamp within the past one
// hour, or if Point-in-Time Recovery is enabled, can additionally be a
// whole minute timestamp within the past 7 days.
ReadTime *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=read_time,json=readTime,proto3,oneof"`
}
func (*TransactionOptions_ReadOnly_ReadTime) isTransactionOptions_ReadOnly_ConsistencySelector() {}
var File_google_firestore_v1_common_proto protoreflect.FileDescriptor
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}
var (
file_google_firestore_v1_common_proto_rawDescOnce sync.Once
file_google_firestore_v1_common_proto_rawDescData = file_google_firestore_v1_common_proto_rawDesc
)
func file_google_firestore_v1_common_proto_rawDescGZIP() []byte {
file_google_firestore_v1_common_proto_rawDescOnce.Do(func() {
file_google_firestore_v1_common_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_firestore_v1_common_proto_rawDescData)
})
return file_google_firestore_v1_common_proto_rawDescData
}
var file_google_firestore_v1_common_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
var file_google_firestore_v1_common_proto_goTypes = []any{
(*DocumentMask)(nil), // 0: google.firestore.v1.DocumentMask
(*Precondition)(nil), // 1: google.firestore.v1.Precondition
(*TransactionOptions)(nil), // 2: google.firestore.v1.TransactionOptions
(*TransactionOptions_ReadWrite)(nil), // 3: google.firestore.v1.TransactionOptions.ReadWrite
(*TransactionOptions_ReadOnly)(nil), // 4: google.firestore.v1.TransactionOptions.ReadOnly
(*timestamppb.Timestamp)(nil), // 5: google.protobuf.Timestamp
}
var file_google_firestore_v1_common_proto_depIdxs = []int32{
5, // 0: google.firestore.v1.Precondition.update_time:type_name -> google.protobuf.Timestamp
4, // 1: google.firestore.v1.TransactionOptions.read_only:type_name -> google.firestore.v1.TransactionOptions.ReadOnly
3, // 2: google.firestore.v1.TransactionOptions.read_write:type_name -> google.firestore.v1.TransactionOptions.ReadWrite
5, // 3: google.firestore.v1.TransactionOptions.ReadOnly.read_time:type_name -> google.protobuf.Timestamp
4, // [4:4] is the sub-list for method output_type
4, // [4:4] is the sub-list for method input_type
4, // [4:4] is the sub-list for extension type_name
4, // [4:4] is the sub-list for extension extendee
0, // [0:4] is the sub-list for field type_name
}
func init() { file_google_firestore_v1_common_proto_init() }
func file_google_firestore_v1_common_proto_init() {
if File_google_firestore_v1_common_proto != nil {
return
}
file_google_firestore_v1_common_proto_msgTypes[1].OneofWrappers = []any{
(*Precondition_Exists)(nil),
(*Precondition_UpdateTime)(nil),
}
file_google_firestore_v1_common_proto_msgTypes[2].OneofWrappers = []any{
(*TransactionOptions_ReadOnly_)(nil),
(*TransactionOptions_ReadWrite_)(nil),
}
file_google_firestore_v1_common_proto_msgTypes[4].OneofWrappers = []any{
(*TransactionOptions_ReadOnly_ReadTime)(nil),
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_google_firestore_v1_common_proto_rawDesc,
NumEnums: 0,
NumMessages: 5,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_google_firestore_v1_common_proto_goTypes,
DependencyIndexes: file_google_firestore_v1_common_proto_depIdxs,
MessageInfos: file_google_firestore_v1_common_proto_msgTypes,
}.Build()
File_google_firestore_v1_common_proto = out.File
file_google_firestore_v1_common_proto_rawDesc = nil
file_google_firestore_v1_common_proto_goTypes = nil
file_google_firestore_v1_common_proto_depIdxs = nil
}
+662
View File
@@ -0,0 +1,662 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.35.2
// protoc v4.25.3
// source: google/firestore/v1/document.proto
package firestorepb
import (
reflect "reflect"
sync "sync"
_ "google.golang.org/genproto/googleapis/api/annotations"
latlng "google.golang.org/genproto/googleapis/type/latlng"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
structpb "google.golang.org/protobuf/types/known/structpb"
timestamppb "google.golang.org/protobuf/types/known/timestamppb"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
// A Firestore document.
//
// Must not exceed 1 MiB - 4 bytes.
type Document struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// The resource name of the document, for example
// `projects/{project_id}/databases/{database_id}/documents/{document_path}`.
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
// The document's fields.
//
// The map keys represent field names.
//
// Field names matching the regular expression `__.*__` are reserved. Reserved
// field names are forbidden except in certain documented contexts. The field
// names, represented as UTF-8, must not exceed 1,500 bytes and cannot be
// empty.
//
// Field paths may be used in other contexts to refer to structured fields
// defined here. For `map_value`, the field path is represented by a
// dot-delimited (`.`) string of segments. Each segment is either a simple
// field name (defined below) or a quoted field name. For example, the
// structured field `"foo" : { map_value: { "x&y" : { string_value: "hello"
// }}}` would be represented by the field path “ foo.`x&y` “.
//
// A simple field name contains only characters `a` to `z`, `A` to `Z`,
// `0` to `9`, or `_`, and must not start with `0` to `9`. For example,
// `foo_bar_17`.
//
// A quoted field name starts and ends with “ ` “ and
// may contain any character. Some characters, including “ ` “, must be
// escaped using a `\`. For example, “ `x&y` “ represents `x&y` and
// “ `bak\`tik` “ represents “ bak`tik “.
Fields map[string]*Value `protobuf:"bytes,2,rep,name=fields,proto3" json:"fields,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
// Output only. The time at which the document was created.
//
// This value increases monotonically when a document is deleted then
// recreated. It can also be compared to values from other documents and
// the `read_time` of a query.
CreateTime *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=create_time,json=createTime,proto3" json:"create_time,omitempty"`
// Output only. The time at which the document was last changed.
//
// This value is initially set to the `create_time` then increases
// monotonically with each change to the document. It can also be
// compared to values from other documents and the `read_time` of a query.
UpdateTime *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=update_time,json=updateTime,proto3" json:"update_time,omitempty"`
}
func (x *Document) Reset() {
*x = Document{}
mi := &file_google_firestore_v1_document_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *Document) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Document) ProtoMessage() {}
func (x *Document) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_document_proto_msgTypes[0]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Document.ProtoReflect.Descriptor instead.
func (*Document) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_document_proto_rawDescGZIP(), []int{0}
}
func (x *Document) GetName() string {
if x != nil {
return x.Name
}
return ""
}
func (x *Document) GetFields() map[string]*Value {
if x != nil {
return x.Fields
}
return nil
}
func (x *Document) GetCreateTime() *timestamppb.Timestamp {
if x != nil {
return x.CreateTime
}
return nil
}
func (x *Document) GetUpdateTime() *timestamppb.Timestamp {
if x != nil {
return x.UpdateTime
}
return nil
}
// A message that can hold any of the supported value types.
type Value struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// Must have a value set.
//
// Types that are assignable to ValueType:
//
// *Value_NullValue
// *Value_BooleanValue
// *Value_IntegerValue
// *Value_DoubleValue
// *Value_TimestampValue
// *Value_StringValue
// *Value_BytesValue
// *Value_ReferenceValue
// *Value_GeoPointValue
// *Value_ArrayValue
// *Value_MapValue
ValueType isValue_ValueType `protobuf_oneof:"value_type"`
}
func (x *Value) Reset() {
*x = Value{}
mi := &file_google_firestore_v1_document_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *Value) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Value) ProtoMessage() {}
func (x *Value) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_document_proto_msgTypes[1]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Value.ProtoReflect.Descriptor instead.
func (*Value) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_document_proto_rawDescGZIP(), []int{1}
}
func (m *Value) GetValueType() isValue_ValueType {
if m != nil {
return m.ValueType
}
return nil
}
func (x *Value) GetNullValue() structpb.NullValue {
if x, ok := x.GetValueType().(*Value_NullValue); ok {
return x.NullValue
}
return structpb.NullValue(0)
}
func (x *Value) GetBooleanValue() bool {
if x, ok := x.GetValueType().(*Value_BooleanValue); ok {
return x.BooleanValue
}
return false
}
func (x *Value) GetIntegerValue() int64 {
if x, ok := x.GetValueType().(*Value_IntegerValue); ok {
return x.IntegerValue
}
return 0
}
func (x *Value) GetDoubleValue() float64 {
if x, ok := x.GetValueType().(*Value_DoubleValue); ok {
return x.DoubleValue
}
return 0
}
func (x *Value) GetTimestampValue() *timestamppb.Timestamp {
if x, ok := x.GetValueType().(*Value_TimestampValue); ok {
return x.TimestampValue
}
return nil
}
func (x *Value) GetStringValue() string {
if x, ok := x.GetValueType().(*Value_StringValue); ok {
return x.StringValue
}
return ""
}
func (x *Value) GetBytesValue() []byte {
if x, ok := x.GetValueType().(*Value_BytesValue); ok {
return x.BytesValue
}
return nil
}
func (x *Value) GetReferenceValue() string {
if x, ok := x.GetValueType().(*Value_ReferenceValue); ok {
return x.ReferenceValue
}
return ""
}
func (x *Value) GetGeoPointValue() *latlng.LatLng {
if x, ok := x.GetValueType().(*Value_GeoPointValue); ok {
return x.GeoPointValue
}
return nil
}
func (x *Value) GetArrayValue() *ArrayValue {
if x, ok := x.GetValueType().(*Value_ArrayValue); ok {
return x.ArrayValue
}
return nil
}
func (x *Value) GetMapValue() *MapValue {
if x, ok := x.GetValueType().(*Value_MapValue); ok {
return x.MapValue
}
return nil
}
type isValue_ValueType interface {
isValue_ValueType()
}
type Value_NullValue struct {
// A null value.
NullValue structpb.NullValue `protobuf:"varint,11,opt,name=null_value,json=nullValue,proto3,enum=google.protobuf.NullValue,oneof"`
}
type Value_BooleanValue struct {
// A boolean value.
BooleanValue bool `protobuf:"varint,1,opt,name=boolean_value,json=booleanValue,proto3,oneof"`
}
type Value_IntegerValue struct {
// An integer value.
IntegerValue int64 `protobuf:"varint,2,opt,name=integer_value,json=integerValue,proto3,oneof"`
}
type Value_DoubleValue struct {
// A double value.
DoubleValue float64 `protobuf:"fixed64,3,opt,name=double_value,json=doubleValue,proto3,oneof"`
}
type Value_TimestampValue struct {
// A timestamp value.
//
// Precise only to microseconds. When stored, any additional precision is
// rounded down.
TimestampValue *timestamppb.Timestamp `protobuf:"bytes,10,opt,name=timestamp_value,json=timestampValue,proto3,oneof"`
}
type Value_StringValue struct {
// A string value.
//
// The string, represented as UTF-8, must not exceed 1 MiB - 89 bytes.
// Only the first 1,500 bytes of the UTF-8 representation are considered by
// queries.
StringValue string `protobuf:"bytes,17,opt,name=string_value,json=stringValue,proto3,oneof"`
}
type Value_BytesValue struct {
// A bytes value.
//
// Must not exceed 1 MiB - 89 bytes.
// Only the first 1,500 bytes are considered by queries.
BytesValue []byte `protobuf:"bytes,18,opt,name=bytes_value,json=bytesValue,proto3,oneof"`
}
type Value_ReferenceValue struct {
// A reference to a document. For example:
// `projects/{project_id}/databases/{database_id}/documents/{document_path}`.
ReferenceValue string `protobuf:"bytes,5,opt,name=reference_value,json=referenceValue,proto3,oneof"`
}
type Value_GeoPointValue struct {
// A geo point value representing a point on the surface of Earth.
GeoPointValue *latlng.LatLng `protobuf:"bytes,8,opt,name=geo_point_value,json=geoPointValue,proto3,oneof"`
}
type Value_ArrayValue struct {
// An array value.
//
// Cannot directly contain another array value, though can contain a
// map which contains another array.
ArrayValue *ArrayValue `protobuf:"bytes,9,opt,name=array_value,json=arrayValue,proto3,oneof"`
}
type Value_MapValue struct {
// A map value.
MapValue *MapValue `protobuf:"bytes,6,opt,name=map_value,json=mapValue,proto3,oneof"`
}
func (*Value_NullValue) isValue_ValueType() {}
func (*Value_BooleanValue) isValue_ValueType() {}
func (*Value_IntegerValue) isValue_ValueType() {}
func (*Value_DoubleValue) isValue_ValueType() {}
func (*Value_TimestampValue) isValue_ValueType() {}
func (*Value_StringValue) isValue_ValueType() {}
func (*Value_BytesValue) isValue_ValueType() {}
func (*Value_ReferenceValue) isValue_ValueType() {}
func (*Value_GeoPointValue) isValue_ValueType() {}
func (*Value_ArrayValue) isValue_ValueType() {}
func (*Value_MapValue) isValue_ValueType() {}
// An array value.
type ArrayValue struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// Values in the array.
Values []*Value `protobuf:"bytes,1,rep,name=values,proto3" json:"values,omitempty"`
}
func (x *ArrayValue) Reset() {
*x = ArrayValue{}
mi := &file_google_firestore_v1_document_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *ArrayValue) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*ArrayValue) ProtoMessage() {}
func (x *ArrayValue) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_document_proto_msgTypes[2]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use ArrayValue.ProtoReflect.Descriptor instead.
func (*ArrayValue) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_document_proto_rawDescGZIP(), []int{2}
}
func (x *ArrayValue) GetValues() []*Value {
if x != nil {
return x.Values
}
return nil
}
// A map value.
type MapValue struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// The map's fields.
//
// The map keys represent field names. Field names matching the regular
// expression `__.*__` are reserved. Reserved field names are forbidden except
// in certain documented contexts. The map keys, represented as UTF-8, must
// not exceed 1,500 bytes and cannot be empty.
Fields map[string]*Value `protobuf:"bytes,1,rep,name=fields,proto3" json:"fields,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
}
func (x *MapValue) Reset() {
*x = MapValue{}
mi := &file_google_firestore_v1_document_proto_msgTypes[3]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *MapValue) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*MapValue) ProtoMessage() {}
func (x *MapValue) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_document_proto_msgTypes[3]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use MapValue.ProtoReflect.Descriptor instead.
func (*MapValue) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_document_proto_rawDescGZIP(), []int{3}
}
func (x *MapValue) GetFields() map[string]*Value {
if x != nil {
return x.Fields
}
return nil
}
var File_google_firestore_v1_document_proto protoreflect.FileDescriptor
var file_google_firestore_v1_document_proto_rawDesc = []byte{
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}
var (
file_google_firestore_v1_document_proto_rawDescOnce sync.Once
file_google_firestore_v1_document_proto_rawDescData = file_google_firestore_v1_document_proto_rawDesc
)
func file_google_firestore_v1_document_proto_rawDescGZIP() []byte {
file_google_firestore_v1_document_proto_rawDescOnce.Do(func() {
file_google_firestore_v1_document_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_firestore_v1_document_proto_rawDescData)
})
return file_google_firestore_v1_document_proto_rawDescData
}
var file_google_firestore_v1_document_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
var file_google_firestore_v1_document_proto_goTypes = []any{
(*Document)(nil), // 0: google.firestore.v1.Document
(*Value)(nil), // 1: google.firestore.v1.Value
(*ArrayValue)(nil), // 2: google.firestore.v1.ArrayValue
(*MapValue)(nil), // 3: google.firestore.v1.MapValue
nil, // 4: google.firestore.v1.Document.FieldsEntry
nil, // 5: google.firestore.v1.MapValue.FieldsEntry
(*timestamppb.Timestamp)(nil), // 6: google.protobuf.Timestamp
(structpb.NullValue)(0), // 7: google.protobuf.NullValue
(*latlng.LatLng)(nil), // 8: google.type.LatLng
}
var file_google_firestore_v1_document_proto_depIdxs = []int32{
4, // 0: google.firestore.v1.Document.fields:type_name -> google.firestore.v1.Document.FieldsEntry
6, // 1: google.firestore.v1.Document.create_time:type_name -> google.protobuf.Timestamp
6, // 2: google.firestore.v1.Document.update_time:type_name -> google.protobuf.Timestamp
7, // 3: google.firestore.v1.Value.null_value:type_name -> google.protobuf.NullValue
6, // 4: google.firestore.v1.Value.timestamp_value:type_name -> google.protobuf.Timestamp
8, // 5: google.firestore.v1.Value.geo_point_value:type_name -> google.type.LatLng
2, // 6: google.firestore.v1.Value.array_value:type_name -> google.firestore.v1.ArrayValue
3, // 7: google.firestore.v1.Value.map_value:type_name -> google.firestore.v1.MapValue
1, // 8: google.firestore.v1.ArrayValue.values:type_name -> google.firestore.v1.Value
5, // 9: google.firestore.v1.MapValue.fields:type_name -> google.firestore.v1.MapValue.FieldsEntry
1, // 10: google.firestore.v1.Document.FieldsEntry.value:type_name -> google.firestore.v1.Value
1, // 11: google.firestore.v1.MapValue.FieldsEntry.value:type_name -> google.firestore.v1.Value
12, // [12:12] is the sub-list for method output_type
12, // [12:12] is the sub-list for method input_type
12, // [12:12] is the sub-list for extension type_name
12, // [12:12] is the sub-list for extension extendee
0, // [0:12] is the sub-list for field type_name
}
func init() { file_google_firestore_v1_document_proto_init() }
func file_google_firestore_v1_document_proto_init() {
if File_google_firestore_v1_document_proto != nil {
return
}
file_google_firestore_v1_document_proto_msgTypes[1].OneofWrappers = []any{
(*Value_NullValue)(nil),
(*Value_BooleanValue)(nil),
(*Value_IntegerValue)(nil),
(*Value_DoubleValue)(nil),
(*Value_TimestampValue)(nil),
(*Value_StringValue)(nil),
(*Value_BytesValue)(nil),
(*Value_ReferenceValue)(nil),
(*Value_GeoPointValue)(nil),
(*Value_ArrayValue)(nil),
(*Value_MapValue)(nil),
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_google_firestore_v1_document_proto_rawDesc,
NumEnums: 0,
NumMessages: 6,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_google_firestore_v1_document_proto_goTypes,
DependencyIndexes: file_google_firestore_v1_document_proto_depIdxs,
MessageInfos: file_google_firestore_v1_document_proto_msgTypes,
}.Build()
File_google_firestore_v1_document_proto = out.File
file_google_firestore_v1_document_proto_rawDesc = nil
file_google_firestore_v1_document_proto_goTypes = nil
file_google_firestore_v1_document_proto_depIdxs = nil
}
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,409 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.35.2
// protoc v4.25.3
// source: google/firestore/v1/query_profile.proto
package firestorepb
import (
reflect "reflect"
sync "sync"
_ "google.golang.org/genproto/googleapis/api/annotations"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
durationpb "google.golang.org/protobuf/types/known/durationpb"
structpb "google.golang.org/protobuf/types/known/structpb"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
// Explain options for the query.
type ExplainOptions struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// Optional. Whether to execute this query.
//
// When false (the default), the query will be planned, returning only
// metrics from the planning stages.
//
// When true, the query will be planned and executed, returning the full
// query results along with both planning and execution stage metrics.
Analyze bool `protobuf:"varint,1,opt,name=analyze,proto3" json:"analyze,omitempty"`
}
func (x *ExplainOptions) Reset() {
*x = ExplainOptions{}
mi := &file_google_firestore_v1_query_profile_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *ExplainOptions) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*ExplainOptions) ProtoMessage() {}
func (x *ExplainOptions) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_query_profile_proto_msgTypes[0]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use ExplainOptions.ProtoReflect.Descriptor instead.
func (*ExplainOptions) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_query_profile_proto_rawDescGZIP(), []int{0}
}
func (x *ExplainOptions) GetAnalyze() bool {
if x != nil {
return x.Analyze
}
return false
}
// Explain metrics for the query.
type ExplainMetrics struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// Planning phase information for the query.
PlanSummary *PlanSummary `protobuf:"bytes,1,opt,name=plan_summary,json=planSummary,proto3" json:"plan_summary,omitempty"`
// Aggregated stats from the execution of the query. Only present when
// [ExplainOptions.analyze][google.firestore.v1.ExplainOptions.analyze] is set
// to true.
ExecutionStats *ExecutionStats `protobuf:"bytes,2,opt,name=execution_stats,json=executionStats,proto3" json:"execution_stats,omitempty"`
}
func (x *ExplainMetrics) Reset() {
*x = ExplainMetrics{}
mi := &file_google_firestore_v1_query_profile_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *ExplainMetrics) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*ExplainMetrics) ProtoMessage() {}
func (x *ExplainMetrics) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_query_profile_proto_msgTypes[1]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use ExplainMetrics.ProtoReflect.Descriptor instead.
func (*ExplainMetrics) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_query_profile_proto_rawDescGZIP(), []int{1}
}
func (x *ExplainMetrics) GetPlanSummary() *PlanSummary {
if x != nil {
return x.PlanSummary
}
return nil
}
func (x *ExplainMetrics) GetExecutionStats() *ExecutionStats {
if x != nil {
return x.ExecutionStats
}
return nil
}
// Planning phase information for the query.
type PlanSummary struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// The indexes selected for the query. For example:
//
// [
// {"query_scope": "Collection", "properties": "(foo ASC, __name__ ASC)"},
// {"query_scope": "Collection", "properties": "(bar ASC, __name__ ASC)"}
// ]
IndexesUsed []*structpb.Struct `protobuf:"bytes,1,rep,name=indexes_used,json=indexesUsed,proto3" json:"indexes_used,omitempty"`
}
func (x *PlanSummary) Reset() {
*x = PlanSummary{}
mi := &file_google_firestore_v1_query_profile_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *PlanSummary) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*PlanSummary) ProtoMessage() {}
func (x *PlanSummary) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_query_profile_proto_msgTypes[2]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use PlanSummary.ProtoReflect.Descriptor instead.
func (*PlanSummary) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_query_profile_proto_rawDescGZIP(), []int{2}
}
func (x *PlanSummary) GetIndexesUsed() []*structpb.Struct {
if x != nil {
return x.IndexesUsed
}
return nil
}
// Execution statistics for the query.
type ExecutionStats struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// Total number of results returned, including documents, projections,
// aggregation results, keys.
ResultsReturned int64 `protobuf:"varint,1,opt,name=results_returned,json=resultsReturned,proto3" json:"results_returned,omitempty"`
// Total time to execute the query in the backend.
ExecutionDuration *durationpb.Duration `protobuf:"bytes,3,opt,name=execution_duration,json=executionDuration,proto3" json:"execution_duration,omitempty"`
// Total billable read operations.
ReadOperations int64 `protobuf:"varint,4,opt,name=read_operations,json=readOperations,proto3" json:"read_operations,omitempty"`
// Debugging statistics from the execution of the query. Note that the
// debugging stats are subject to change as Firestore evolves. It could
// include:
//
// {
// "indexes_entries_scanned": "1000",
// "documents_scanned": "20",
// "billing_details" : {
// "documents_billable": "20",
// "index_entries_billable": "1000",
// "min_query_cost": "0"
// }
// }
DebugStats *structpb.Struct `protobuf:"bytes,5,opt,name=debug_stats,json=debugStats,proto3" json:"debug_stats,omitempty"`
}
func (x *ExecutionStats) Reset() {
*x = ExecutionStats{}
mi := &file_google_firestore_v1_query_profile_proto_msgTypes[3]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *ExecutionStats) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*ExecutionStats) ProtoMessage() {}
func (x *ExecutionStats) ProtoReflect() protoreflect.Message {
mi := &file_google_firestore_v1_query_profile_proto_msgTypes[3]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use ExecutionStats.ProtoReflect.Descriptor instead.
func (*ExecutionStats) Descriptor() ([]byte, []int) {
return file_google_firestore_v1_query_profile_proto_rawDescGZIP(), []int{3}
}
func (x *ExecutionStats) GetResultsReturned() int64 {
if x != nil {
return x.ResultsReturned
}
return 0
}
func (x *ExecutionStats) GetExecutionDuration() *durationpb.Duration {
if x != nil {
return x.ExecutionDuration
}
return nil
}
func (x *ExecutionStats) GetReadOperations() int64 {
if x != nil {
return x.ReadOperations
}
return 0
}
func (x *ExecutionStats) GetDebugStats() *structpb.Struct {
if x != nil {
return x.DebugStats
}
return nil
}
var File_google_firestore_v1_query_profile_proto protoreflect.FileDescriptor
var file_google_firestore_v1_query_profile_proto_rawDesc = []byte{
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}
var (
file_google_firestore_v1_query_profile_proto_rawDescOnce sync.Once
file_google_firestore_v1_query_profile_proto_rawDescData = file_google_firestore_v1_query_profile_proto_rawDesc
)
func file_google_firestore_v1_query_profile_proto_rawDescGZIP() []byte {
file_google_firestore_v1_query_profile_proto_rawDescOnce.Do(func() {
file_google_firestore_v1_query_profile_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_firestore_v1_query_profile_proto_rawDescData)
})
return file_google_firestore_v1_query_profile_proto_rawDescData
}
var file_google_firestore_v1_query_profile_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
var file_google_firestore_v1_query_profile_proto_goTypes = []any{
(*ExplainOptions)(nil), // 0: google.firestore.v1.ExplainOptions
(*ExplainMetrics)(nil), // 1: google.firestore.v1.ExplainMetrics
(*PlanSummary)(nil), // 2: google.firestore.v1.PlanSummary
(*ExecutionStats)(nil), // 3: google.firestore.v1.ExecutionStats
(*structpb.Struct)(nil), // 4: google.protobuf.Struct
(*durationpb.Duration)(nil), // 5: google.protobuf.Duration
}
var file_google_firestore_v1_query_profile_proto_depIdxs = []int32{
2, // 0: google.firestore.v1.ExplainMetrics.plan_summary:type_name -> google.firestore.v1.PlanSummary
3, // 1: google.firestore.v1.ExplainMetrics.execution_stats:type_name -> google.firestore.v1.ExecutionStats
4, // 2: google.firestore.v1.PlanSummary.indexes_used:type_name -> google.protobuf.Struct
5, // 3: google.firestore.v1.ExecutionStats.execution_duration:type_name -> google.protobuf.Duration
4, // 4: google.firestore.v1.ExecutionStats.debug_stats:type_name -> google.protobuf.Struct
5, // [5:5] is the sub-list for method output_type
5, // [5:5] is the sub-list for method input_type
5, // [5:5] is the sub-list for extension type_name
5, // [5:5] is the sub-list for extension extendee
0, // [0:5] is the sub-list for field type_name
}
func init() { file_google_firestore_v1_query_profile_proto_init() }
func file_google_firestore_v1_query_profile_proto_init() {
if File_google_firestore_v1_query_profile_proto != nil {
return
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_google_firestore_v1_query_profile_proto_rawDesc,
NumEnums: 0,
NumMessages: 4,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_google_firestore_v1_query_profile_proto_goTypes,
DependencyIndexes: file_google_firestore_v1_query_profile_proto_depIdxs,
MessageInfos: file_google_firestore_v1_query_profile_proto_msgTypes,
}.Build()
File_google_firestore_v1_query_profile_proto = out.File
file_google_firestore_v1_query_profile_proto_rawDesc = nil
file_google_firestore_v1_query_profile_proto_goTypes = nil
file_google_firestore_v1_query_profile_proto_depIdxs = nil
}
File diff suppressed because it is too large Load Diff
+223
View File
@@ -0,0 +1,223 @@
{
"schema": "1.0",
"comment": "This file maps proto services/RPCs to the corresponding library clients/methods.",
"language": "go",
"protoPackage": "google.firestore.v1",
"libraryPackage": "cloud.google.com/go/firestore/apiv1",
"services": {
"Firestore": {
"clients": {
"grpc": {
"libraryClient": "Client",
"rpcs": {
"BatchGetDocuments": {
"methods": [
"BatchGetDocuments"
]
},
"BatchWrite": {
"methods": [
"BatchWrite"
]
},
"BeginTransaction": {
"methods": [
"BeginTransaction"
]
},
"CancelOperation": {
"methods": [
"CancelOperation"
]
},
"Commit": {
"methods": [
"Commit"
]
},
"CreateDocument": {
"methods": [
"CreateDocument"
]
},
"DeleteDocument": {
"methods": [
"DeleteDocument"
]
},
"DeleteOperation": {
"methods": [
"DeleteOperation"
]
},
"GetDocument": {
"methods": [
"GetDocument"
]
},
"GetOperation": {
"methods": [
"GetOperation"
]
},
"ListCollectionIds": {
"methods": [
"ListCollectionIds"
]
},
"ListDocuments": {
"methods": [
"ListDocuments"
]
},
"ListOperations": {
"methods": [
"ListOperations"
]
},
"Listen": {
"methods": [
"Listen"
]
},
"PartitionQuery": {
"methods": [
"PartitionQuery"
]
},
"Rollback": {
"methods": [
"Rollback"
]
},
"RunAggregationQuery": {
"methods": [
"RunAggregationQuery"
]
},
"RunQuery": {
"methods": [
"RunQuery"
]
},
"UpdateDocument": {
"methods": [
"UpdateDocument"
]
},
"Write": {
"methods": [
"Write"
]
}
}
},
"rest": {
"libraryClient": "Client",
"rpcs": {
"BatchGetDocuments": {
"methods": [
"BatchGetDocuments"
]
},
"BatchWrite": {
"methods": [
"BatchWrite"
]
},
"BeginTransaction": {
"methods": [
"BeginTransaction"
]
},
"CancelOperation": {
"methods": [
"CancelOperation"
]
},
"Commit": {
"methods": [
"Commit"
]
},
"CreateDocument": {
"methods": [
"CreateDocument"
]
},
"DeleteDocument": {
"methods": [
"DeleteDocument"
]
},
"DeleteOperation": {
"methods": [
"DeleteOperation"
]
},
"GetDocument": {
"methods": [
"GetDocument"
]
},
"GetOperation": {
"methods": [
"GetOperation"
]
},
"ListCollectionIds": {
"methods": [
"ListCollectionIds"
]
},
"ListDocuments": {
"methods": [
"ListDocuments"
]
},
"ListOperations": {
"methods": [
"ListOperations"
]
},
"Listen": {
"methods": [
"Listen"
]
},
"PartitionQuery": {
"methods": [
"PartitionQuery"
]
},
"Rollback": {
"methods": [
"Rollback"
]
},
"RunAggregationQuery": {
"methods": [
"RunAggregationQuery"
]
},
"RunQuery": {
"methods": [
"RunQuery"
]
},
"UpdateDocument": {
"methods": [
"UpdateDocument"
]
},
"Write": {
"methods": [
"Write"
]
}
}
}
}
}
}
}
+102
View File
@@ -0,0 +1,102 @@
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Code generated by protoc-gen-go_gapic. DO NOT EDIT.
package firestore
import (
"context"
"io"
"log/slog"
"net/http"
"github.com/googleapis/gax-go/v2/internallog"
"github.com/googleapis/gax-go/v2/internallog/grpclog"
"google.golang.org/api/googleapi"
"google.golang.org/api/option"
"google.golang.org/grpc"
"google.golang.org/protobuf/proto"
)
const serviceName = "firestore.googleapis.com"
// For more information on implementing a client constructor hook, see
// https://github.com/googleapis/google-cloud-go/wiki/Customizing-constructors.
type clientHookParams struct{}
type clientHook func(context.Context, clientHookParams) ([]option.ClientOption, error)
var versionClient string
func getVersionClient() string {
if versionClient == "" {
return "UNKNOWN"
}
return versionClient
}
// DefaultAuthScopes reports the default set of authentication scopes to use with this package.
func DefaultAuthScopes() []string {
return []string{
"https://www.googleapis.com/auth/cloud-platform",
"https://www.googleapis.com/auth/datastore",
}
}
func executeHTTPRequestWithResponse(ctx context.Context, client *http.Client, req *http.Request, logger *slog.Logger, body []byte, rpc string) ([]byte, *http.Response, error) {
logger.DebugContext(ctx, "api request", "serviceName", serviceName, "rpcName", rpc, "request", internallog.HTTPRequest(req, body))
resp, err := client.Do(req)
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
buf, err := io.ReadAll(resp.Body)
if err != nil {
return nil, nil, err
}
logger.DebugContext(ctx, "api response", "serviceName", serviceName, "rpcName", rpc, "response", internallog.HTTPResponse(resp, buf))
if err = googleapi.CheckResponse(resp); err != nil {
return nil, nil, err
}
return buf, resp, nil
}
func executeHTTPRequest(ctx context.Context, client *http.Client, req *http.Request, logger *slog.Logger, body []byte, rpc string) ([]byte, error) {
buf, _, err := executeHTTPRequestWithResponse(ctx, client, req, logger, body, rpc)
return buf, err
}
func executeStreamingHTTPRequest(ctx context.Context, client *http.Client, req *http.Request, logger *slog.Logger, body []byte, rpc string) (*http.Response, error) {
logger.DebugContext(ctx, "api request", "serviceName", serviceName, "rpcName", rpc, "request", internallog.HTTPRequest(req, body))
resp, err := client.Do(req)
if err != nil {
return nil, err
}
logger.DebugContext(ctx, "api response", "serviceName", serviceName, "rpcName", rpc, "response", internallog.HTTPResponse(resp, nil))
if err = googleapi.CheckResponse(resp); err != nil {
return nil, err
}
return resp, nil
}
func executeRPC[I proto.Message, O proto.Message](ctx context.Context, fn func(context.Context, I, ...grpc.CallOption) (O, error), req I, opts []grpc.CallOption, logger *slog.Logger, rpc string) (O, error) {
var zero O
logger.DebugContext(ctx, "api request", "serviceName", serviceName, "rpcName", rpc, "request", grpclog.ProtoMessageRequest(ctx, req))
resp, err := fn(ctx, req, opts...)
if err != nil {
return zero, err
}
logger.DebugContext(ctx, "api response", "serviceName", serviceName, "rpcName", rpc, "response", grpclog.ProtoMessageResponse(resp))
return resp, err
}
+24
View File
@@ -0,0 +1,24 @@
// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package firestore
// SetGoogleClientInfo sets the name and version of the application in
// the `x-goog-api-client` header passed on each request. Also passes any
// provided key-value pairs. Intended for use by Google-written clients.
//
// Internal use only.
func (c *Client) SetGoogleClientInfo(keyval ...string) {
c.setGoogleClientInfo(keyval...)
}
+23
View File
@@ -0,0 +1,23 @@
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Code generated by gapicgen. DO NOT EDIT.
package firestore
import "cloud.google.com/go/firestore/internal"
func init() {
versionClient = internal.Version
}
+355
View File
@@ -0,0 +1,355 @@
// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package firestore
import (
"context"
"errors"
"fmt"
"sync"
"time"
vkit "cloud.google.com/go/firestore/apiv1"
pb "cloud.google.com/go/firestore/apiv1/firestorepb"
"golang.org/x/time/rate"
"google.golang.org/api/support/bundler"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
const (
// maxBatchSize is the max number of writes to send in a request
maxBatchSize = 20
// maxRetryAttempts is the max number of times to retry a write
maxRetryAttempts = 10
// defaultStartingMaximumOpsPerSecond is the starting max number of requests to the service per second
defaultStartingMaximumOpsPerSecond = 500
// maxWritesPerSecond is the starting limit of writes allowed to callers per second
maxWritesPerSecond = maxBatchSize * defaultStartingMaximumOpsPerSecond
)
var (
batchWriteRetryCodes = map[codes.Code]bool{
codes.ResourceExhausted: true,
codes.Unavailable: true,
codes.Aborted: true,
}
)
// bulkWriterResult contains the WriteResult or error results from an individual
// write to the database.
type bulkWriterResult struct {
result *pb.WriteResult // (cached) result from the operation
err error // (cached) any errors that occurred
}
// BulkWriterJob provides read-only access to the results of a BulkWriter write attempt.
type BulkWriterJob struct {
resultChan chan bulkWriterResult // send errors and results to this channel
write *pb.Write // the writes to apply to the database
attempts int // number of times this write has been attempted
resultsLock sync.Mutex // guards the cached wr and e values for the job
result *WriteResult // (cached) result from the operation
err error // (cached) any errors that occurred
ctx context.Context // context for canceling/timing out results
}
// Results gets the results of the BulkWriter write attempt.
// This method blocks if the results for this BulkWriterJob haven't been
// received.
func (j *BulkWriterJob) Results() (*WriteResult, error) {
j.resultsLock.Lock()
defer j.resultsLock.Unlock()
if j.result == nil && j.err == nil {
j.result, j.err = j.processResults() // cache the results for additional calls
}
return j.result, j.err
}
// processResults checks for errors returned from send() and packages up the
// results as WriteResult objects
func (j *BulkWriterJob) processResults() (*WriteResult, error) {
select {
case <-j.ctx.Done():
return nil, j.ctx.Err()
case bwr := <-j.resultChan:
if bwr.err != nil {
return nil, bwr.err
}
return writeResultFromProto(bwr.result)
}
}
// setError ensures that an error is returned on the error channel of BulkWriterJob.
func (j *BulkWriterJob) setError(e error) {
bwr := bulkWriterResult{
err: e,
result: nil,
}
j.resultChan <- bwr
close(j.resultChan)
}
// A BulkWriter supports concurrent writes to multiple documents. The BulkWriter
// submits document writes in maximum batches of 20 writes per request. Each
// request can contain many different document writes: create, delete, update,
// and set are all supported.
//
// Only one operation (create, set, update, delete) per document is allowed.
// BulkWriter cannot promise atomicity: individual writes can fail or succeed
// independent of each other. Bulkwriter does not apply writes in any set order;
// thus a document can't have set on it immediately after creation.
type BulkWriter struct {
database string // the database as resource name: projects/[PROJECT]/databases/[DATABASE]
start time.Time // when this BulkWriter was started; used to calculate qps and rate increases
vc *vkit.Client // internal client
maxOpsPerSecond int // number of requests that can be sent per second
docUpdatePaths map[string]bool // document paths with corresponding writes in the queue
limiter rate.Limiter // limit requests to server to <= 500 qps
bundler *bundler.Bundler // handle bundling up writes to Firestore
ctx context.Context // context for canceling all BulkWriter operations
isOpenLock sync.RWMutex // guards against setting isOpen concurrently
isOpen bool // flag that the BulkWriter is closed
}
// newBulkWriter creates a new instance of the BulkWriter.
func newBulkWriter(ctx context.Context, c *Client, database string) *BulkWriter {
// Although typically we shouldn't store Context objects, in this case we
// need to pass this Context through to the Bundler handler.
ctx = withResourceHeader(ctx, c.path())
bw := &BulkWriter{
database: database,
start: time.Now(),
vc: c.c,
isOpen: true,
maxOpsPerSecond: defaultStartingMaximumOpsPerSecond,
docUpdatePaths: make(map[string]bool),
ctx: ctx,
limiter: *rate.NewLimiter(rate.Limit(maxWritesPerSecond), 1),
}
// can't initialize within struct above; need instance reference to BulkWriter.send()
bw.bundler = bundler.NewBundler(&BulkWriterJob{}, bw.send)
bw.bundler.HandlerLimit = bw.maxOpsPerSecond
bw.bundler.BundleCountThreshold = maxBatchSize
return bw
}
// End sends all enqueued writes in parallel and closes the BulkWriter to new requests.
// After calling End(), calling any additional method automatically returns
// with an error. This method completes when there are no more pending writes
// in the queue.
func (bw *BulkWriter) End() {
bw.isOpenLock.Lock()
bw.isOpen = false
bw.isOpenLock.Unlock()
bw.Flush()
}
// Flush commits all writes that have been enqueued up to this point in parallel.
// This method blocks execution.
func (bw *BulkWriter) Flush() {
bw.bundler.Flush()
}
// Create adds a document creation write to the queue of writes to send.
// Note: You cannot write to (Create, Update, Set, or Delete) the same document more than once.
func (bw *BulkWriter) Create(doc *DocumentRef, datum interface{}) (*BulkWriterJob, error) {
bw.isOpenLock.RLock()
defer bw.isOpenLock.RUnlock()
err := bw.checkWriteConditions(doc)
if err != nil {
return nil, err
}
w, err := doc.newCreateWrites(datum)
if err != nil {
return nil, fmt.Errorf("firestore: cannot create %v with %v. %w", doc.ID, datum, err)
}
if len(w) > 1 {
return nil, fmt.Errorf("firestore: too many document writes sent to bulkwriter")
}
j := bw.write(w[0])
return j, nil
}
// Delete adds a document deletion write to the queue of writes to send.
// Note: You cannot write to (Create, Update, Set, or Delete) the same document more than once.
func (bw *BulkWriter) Delete(doc *DocumentRef, preconds ...Precondition) (*BulkWriterJob, error) {
bw.isOpenLock.RLock()
defer bw.isOpenLock.RUnlock()
err := bw.checkWriteConditions(doc)
if err != nil {
return nil, err
}
w, err := doc.newDeleteWrites(preconds)
if err != nil {
return nil, fmt.Errorf("firestore: cannot delete doc %v. %w", doc.ID, err)
}
if len(w) > 1 {
return nil, fmt.Errorf("firestore: too many document writes sent to bulkwriter")
}
j := bw.write(w[0])
return j, nil
}
// Set adds a document set write to the queue of writes to send.
// Note: You cannot write to (Create, Update, Set, or Delete) the same document more than once.
func (bw *BulkWriter) Set(doc *DocumentRef, datum interface{}, opts ...SetOption) (*BulkWriterJob, error) {
bw.isOpenLock.RLock()
defer bw.isOpenLock.RUnlock()
err := bw.checkWriteConditions(doc)
if err != nil {
return nil, err
}
w, err := doc.newSetWrites(datum, opts)
if err != nil {
return nil, fmt.Errorf("firestore: cannot set %v on doc %v. %w", datum, doc.ID, err)
}
if len(w) > 1 {
return nil, fmt.Errorf("firestore: too many writes sent to bulkwriter")
}
j := bw.write(w[0])
return j, nil
}
// Update adds a document update write to the queue of writes to send.
// Note: You cannot write to (Create, Update, Set, or Delete) the same document more than once.
func (bw *BulkWriter) Update(doc *DocumentRef, updates []Update, preconds ...Precondition) (*BulkWriterJob, error) {
bw.isOpenLock.RLock()
defer bw.isOpenLock.RUnlock()
err := bw.checkWriteConditions(doc)
if err != nil {
return nil, err
}
w, err := doc.newUpdatePathWrites(updates, preconds)
if err != nil {
return nil, fmt.Errorf("firestore: cannot update doc %v. %w", doc.ID, err)
}
if len(w) > 1 {
return nil, fmt.Errorf("firestore: too many writes sent to bulkwriter")
}
j := bw.write(w[0])
return j, nil
}
// checkConditions determines whether this write attempt is valid. It returns
// an error if either the BulkWriter has already been closed or if it
// receives a nil document reference.
func (bw *BulkWriter) checkWriteConditions(doc *DocumentRef) error {
if !bw.isOpen {
return errors.New("firestore: BulkWriter has been closed")
}
if doc == nil {
return errors.New("firestore: nil document contents")
}
_, havePath := bw.docUpdatePaths[doc.shortPath]
if havePath {
return fmt.Errorf("firestore: BulkWriter received duplicate write for path: %v", doc.shortPath)
}
bw.docUpdatePaths[doc.shortPath] = true
return nil
}
// write packages up write requests into bulkWriterJob objects.
func (bw *BulkWriter) write(w *pb.Write) *BulkWriterJob {
j := &BulkWriterJob{
resultChan: make(chan bulkWriterResult, 1),
write: w,
ctx: bw.ctx,
}
bw.limiter.Wait(bw.ctx)
// ignore operation size constraints and related errors; can't be inferred at compile time
// Bundler is set to accept an unlimited amount of bytes
_ = bw.bundler.Add(j, 0)
return j
}
// send transmits writes to the service and matches response results to job channels.
func (bw *BulkWriter) send(i interface{}) {
bwj := i.([]*BulkWriterJob)
if len(bwj) == 0 {
return
}
var ws []*pb.Write
for _, w := range bwj {
ws = append(ws, w.write)
}
bwr := &pb.BatchWriteRequest{
Database: bw.database,
Writes: ws,
Labels: map[string]string{},
}
select {
case <-bw.ctx.Done():
return
default:
resp, err := bw.vc.BatchWrite(bw.ctx, bwr)
if err != nil {
// Do we need to be selective about what kind of errors we send?
for _, j := range bwj {
j.setError(err)
}
return
}
// Match write results with BulkWriterJob objects
for i, res := range resp.WriteResults {
s := resp.Status[i]
c := s.GetCode()
if c != 0 { // Should we do an explicit check against rpc.Code enum?
j := bwj[i]
j.attempts++
// Do we need separate retry bundler?
_, isRetryable := batchWriteRetryCodes[codes.Code(s.Code)]
if j.attempts < maxRetryAttempts && isRetryable {
// ignore operation size constraints and related errors; job size can't be inferred at compile time
// Bundler is set to accept an unlimited amount of bytes
_ = bw.bundler.Add(j, 0)
} else {
j.setError(status.Error(codes.Code(s.Code), s.Message))
}
continue
}
bwj[i].resultChan <- bulkWriterResult{err: nil, result: res}
close(bwj[i].resultChan)
}
}
}
+467
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// Copyright 2017 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package firestore
import (
"context"
"errors"
"fmt"
"io"
"net/url"
"os"
"strings"
"time"
vkit "cloud.google.com/go/firestore/apiv1"
pb "cloud.google.com/go/firestore/apiv1/firestorepb"
"cloud.google.com/go/firestore/internal"
"cloud.google.com/go/internal/detect"
"cloud.google.com/go/internal/trace"
gax "github.com/googleapis/gax-go/v2"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/status"
"google.golang.org/protobuf/types/known/timestamppb"
)
// resourcePrefixHeader is the name of the metadata header used to indicate
// the resource being operated on.
const resourcePrefixHeader = "google-cloud-resource-prefix"
// requestParamsHeader is routing header required to access named databases
const reqParamsHeader = "x-goog-request-params"
// reqParamsHeaderVal constructs header from dbPath
// dbPath is of the form projects/{project_id}/databases/{database_id}
func reqParamsHeaderVal(dbPath string) string {
splitPath := strings.Split(dbPath, "/")
projectID := splitPath[1]
databaseID := splitPath[3]
return fmt.Sprintf("project_id=%s&database_id=%s", url.QueryEscape(projectID), url.QueryEscape(databaseID))
}
// DetectProjectID is a sentinel value that instructs NewClient to detect the
// project ID. It is given in place of the projectID argument. NewClient will
// use the project ID from the given credentials or the default credentials
// (https://developers.google.com/accounts/docs/application-default-credentials)
// if no credentials were provided. When providing credentials, not all
// options will allow NewClient to extract the project ID. Specifically a JWT
// does not have the project ID encoded.
const DetectProjectID = detect.ProjectIDSentinel
// DefaultDatabaseID is name of the default database
const DefaultDatabaseID = "(default)"
// A Client provides access to the Firestore service.
type Client struct {
c *vkit.Client
projectID string
databaseID string // A client is tied to a single database.
readSettings *readSettings // readSettings allows setting a snapshot time to read the database
}
// NewClient creates a new Firestore client that uses the given project.
func NewClient(ctx context.Context, projectID string, opts ...option.ClientOption) (*Client, error) {
if projectID == "" {
return nil, errors.New("firestore: projectID was empty")
}
var o []option.ClientOption
// If this environment variable is defined, configure the client to talk to the emulator.
if addr := os.Getenv("FIRESTORE_EMULATOR_HOST"); addr != "" {
conn, err := grpc.Dial(addr, grpc.WithInsecure(), grpc.WithPerRPCCredentials(emulatorCreds{}))
if err != nil {
return nil, fmt.Errorf("firestore: dialing address from env var FIRESTORE_EMULATOR_HOST: %s", err)
}
o = []option.ClientOption{option.WithGRPCConn(conn)}
projectID, _ = detect.ProjectID(ctx, projectID, "", opts...)
if projectID == "" {
projectID = "dummy-emulator-firestore-project"
}
}
o = append(o, opts...)
// Detect project ID.
projectID, err := detect.ProjectID(ctx, projectID, "", o...)
if err != nil {
return nil, err
}
vc, err := vkit.NewClient(ctx, o...)
if err != nil {
return nil, err
}
vc.SetGoogleClientInfo("gccl", internal.Version)
c := &Client{
c: vc,
projectID: projectID,
databaseID: DefaultDatabaseID,
readSettings: &readSettings{},
}
return c, nil
}
// NewClientWithDatabase creates a new Firestore client that accesses the
// specified database.
func NewClientWithDatabase(ctx context.Context, projectID string, databaseID string, opts ...option.ClientOption) (*Client, error) {
if databaseID == "" {
return nil, fmt.Errorf("firestore: To create a client using the %s database, please use NewClient", DefaultDatabaseID)
}
client, err := NewClient(ctx, projectID, opts...)
if err != nil {
return nil, err
}
client.databaseID = databaseID
return client, nil
}
// Close closes any resources held by the client.
//
// Close need not be called at program exit.
func (c *Client) Close() error {
return c.c.Close()
}
func (c *Client) path() string {
return fmt.Sprintf("projects/%s/databases/%s", c.projectID, c.databaseID)
}
func withResourceHeader(ctx context.Context, resource string) context.Context {
md, ok := metadata.FromOutgoingContext(ctx)
if !ok {
md = metadata.New(nil)
}
md = md.Copy()
md[resourcePrefixHeader] = []string{resource}
return metadata.NewOutgoingContext(ctx, md)
}
func withRequestParamsHeader(ctx context.Context, requestParams string) context.Context {
md, ok := metadata.FromOutgoingContext(ctx)
if !ok {
md = metadata.New(nil)
}
md = md.Copy()
md[reqParamsHeader] = []string{requestParams}
return metadata.NewOutgoingContext(ctx, md)
}
// Collection creates a reference to a collection with the given path.
// A path is a sequence of IDs separated by slashes.
//
// Collection returns nil if path contains an even number of IDs or any ID is empty.
func (c *Client) Collection(path string) *CollectionRef {
coll, _ := c.idsToRef(strings.Split(path, "/"), c.path())
return coll
}
// Doc creates a reference to a document with the given path.
// A path is a sequence of IDs separated by slashes.
//
// Doc returns nil if path contains an odd number of IDs or any ID is empty.
func (c *Client) Doc(path string) *DocumentRef {
_, doc := c.idsToRef(strings.Split(path, "/"), c.path())
return doc
}
// CollectionGroup creates a reference to a group of collections that include
// the given ID, regardless of parent document.
//
// For example, consider:
// France/Cities/Paris = {population: 100}
// Canada/Cities/Montreal = {population: 90}
//
// CollectionGroup can be used to query across all "Cities" regardless of
// its parent "Countries". See ExampleCollectionGroup for a complete example.
func (c *Client) CollectionGroup(collectionID string) *CollectionGroupRef {
return newCollectionGroupRef(c, c.path(), collectionID)
}
func (c *Client) idsToRef(IDs []string, dbPath string) (*CollectionRef, *DocumentRef) {
if len(IDs) == 0 {
return nil, nil
}
for _, id := range IDs {
if id == "" {
return nil, nil
}
}
coll := newTopLevelCollRef(c, dbPath, IDs[0])
i := 1
for i < len(IDs) {
doc := newDocRef(coll, IDs[i])
i++
if i == len(IDs) {
return nil, doc
}
coll = newCollRefWithParent(c, doc, IDs[i])
i++
}
return coll, nil
}
// GetAll retrieves multiple documents with a single call. The
// DocumentSnapshots are returned in the order of the given DocumentRefs.
// The return value will always contain the same number of DocumentSnapshots
// as the number of DocumentRefs in the input.
//
// If the same DocumentRef is specified multiple times in the input, the return
// value will contain the same number of DocumentSnapshots referencing the same
// document.
//
// If a document is not present, the corresponding DocumentSnapshot's Exists
// method will return false.
func (c *Client) GetAll(ctx context.Context, docRefs []*DocumentRef) (_ []*DocumentSnapshot, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/firestore.GetAll")
defer func() { trace.EndSpan(ctx, err) }()
return c.getAll(ctx, docRefs, nil, nil)
}
func (c *Client) getAll(ctx context.Context, docRefs []*DocumentRef, tid []byte, rs *readSettings) (_ []*DocumentSnapshot, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/firestore.Client.BatchGetDocuments")
defer func() { trace.EndSpan(ctx, err) }()
var docNames []string
docIndices := map[string][]int{} // doc name to positions in docRefs
for i, dr := range docRefs {
if err := dr.isValid(); err != nil {
return nil, err
}
docNames = append(docNames, dr.Path)
docIndices[dr.Path] = append(docIndices[dr.Path], i)
}
req := &pb.BatchGetDocumentsRequest{
Database: c.path(),
Documents: docNames,
}
// Note that transaction ID and other consistency selectors are mutually exclusive.
// We respect the transaction first, any read options passed by the caller second,
// and any read options stored in the client third.
if rt, hasOpts := parseReadTime(c, rs); hasOpts {
req.ConsistencySelector = &pb.BatchGetDocumentsRequest_ReadTime{ReadTime: rt}
}
if tid != nil {
req.ConsistencySelector = &pb.BatchGetDocumentsRequest_Transaction{Transaction: tid}
}
batchGetDocsCtx := withResourceHeader(ctx, req.Database)
batchGetDocsCtx = withRequestParamsHeader(batchGetDocsCtx, reqParamsHeaderVal(c.path()))
streamClient, err := c.c.BatchGetDocuments(batchGetDocsCtx, req)
if err != nil {
return nil, err
}
// Read and remember all results from the stream.
var resps []*pb.BatchGetDocumentsResponse
for {
resp, err := streamClient.Recv()
if err == io.EOF {
break
}
if err != nil {
return nil, err
}
resps = append(resps, resp)
}
// Results may arrive out of order. Put each at the right indices.
docs := make([]*DocumentSnapshot, len(docNames))
for _, resp := range resps {
var (
indices []int
doc *pb.Document
err error
)
switch r := resp.Result.(type) {
case *pb.BatchGetDocumentsResponse_Found:
indices = docIndices[r.Found.Name]
doc = r.Found
case *pb.BatchGetDocumentsResponse_Missing:
indices = docIndices[r.Missing]
doc = nil
default:
return nil, errors.New("firestore: unknown BatchGetDocumentsResponse result type")
}
for _, index := range indices {
if docs[index] != nil {
return nil, fmt.Errorf("firestore: %q seen twice", docRefs[index].Path)
}
docs[index], err = newDocumentSnapshot(docRefs[index], doc, c, resp.ReadTime)
if err != nil {
return nil, err
}
}
}
return docs, nil
}
// Collections returns an iterator over the top-level collections.
func (c *Client) Collections(ctx context.Context) *CollectionIterator {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/firestore.Client.ListCollectionIds")
defer func() { trace.EndSpan(ctx, nil) }()
it := &CollectionIterator{
client: c,
it: c.c.ListCollectionIds(
withResourceHeader(ctx, c.path()),
&pb.ListCollectionIdsRequest{Parent: c.path() + "/documents"}),
}
it.pageInfo, it.nextFunc = iterator.NewPageInfo(
it.fetch,
func() int { return len(it.items) },
func() interface{} { b := it.items; it.items = nil; return b })
return it
}
// Batch returns a WriteBatch.
//
// Deprecated: The WriteBatch API has been replaced with the transaction and
// the bulk writer API. For atomic transaction operations, use `Transaction`.
// For bulk read and write operations, use `BulkWriter`.
func (c *Client) Batch() *WriteBatch {
return &WriteBatch{c: c}
}
// BulkWriter returns a BulkWriter instance.
// The context passed to the BulkWriter remains stored through the lifecycle
// of the object. This context allows callers to cancel BulkWriter operations.
func (c *Client) BulkWriter(ctx context.Context) *BulkWriter {
bw := newBulkWriter(ctx, c, c.path())
return bw
}
// WithReadOptions specifies constraints for accessing documents from the database,
// e.g. at what time snapshot to read the documents.
func (c *Client) WithReadOptions(opts ...ReadOption) *Client {
for _, ro := range opts {
ro.apply(c.readSettings)
}
return c
}
// commit calls the Commit RPC outside of a transaction.
func (c *Client) commit(ctx context.Context, ws []*pb.Write) (_ []*WriteResult, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/firestore.Client.commit")
defer func() { trace.EndSpan(ctx, err) }()
req := &pb.CommitRequest{
Database: c.path(),
Writes: ws,
}
res, err := c.c.Commit(withResourceHeader(ctx, req.Database), req)
if err != nil {
return nil, err
}
if len(res.WriteResults) == 0 {
return nil, errors.New("firestore: missing WriteResult")
}
var wrs []*WriteResult
for _, pwr := range res.WriteResults {
wr, err := writeResultFromProto(pwr)
if err != nil {
return nil, err
}
wrs = append(wrs, wr)
}
return wrs, nil
}
func (c *Client) commit1(ctx context.Context, ws []*pb.Write) (*WriteResult, error) {
wrs, err := c.commit(ctx, ws)
if err != nil {
return nil, err
}
return wrs[0], nil
}
// A WriteResult is returned by methods that write documents.
type WriteResult struct {
// The time at which the document was updated, or created if it did not
// previously exist. Writes that do not actually change the document do
// not change the update time.
UpdateTime time.Time
}
func writeResultFromProto(wr *pb.WriteResult) (*WriteResult, error) {
// TODO(jba): Follow up if Delete is supposed to return a nil timestamp.
var t time.Time
if err := wr.GetUpdateTime().CheckValid(); err == nil {
t = wr.GetUpdateTime().AsTime()
}
return &WriteResult{UpdateTime: t}, nil
}
func sleep(ctx context.Context, dur time.Duration) error {
switch err := gax.Sleep(ctx, dur); err {
case context.Canceled:
return status.Error(codes.Canceled, "context canceled")
case context.DeadlineExceeded:
return status.Error(codes.DeadlineExceeded, "context deadline exceeded")
default:
return err
}
}
// emulatorCreds is an instance of grpc.PerRPCCredentials that will configure a
// client to act as an admin for the Firestore emulator. It always hardcodes
// the "authorization" metadata field to contain "Bearer owner", which the
// Firestore emulator accepts as valid admin credentials.
type emulatorCreds struct{}
func (ec emulatorCreds) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
return map[string]string{"authorization": "Bearer owner"}, nil
}
func (ec emulatorCreds) RequireTransportSecurity() bool {
return false
}
// ReadTime specifies a time-specific snapshot of the database to read.
func ReadTime(t time.Time) ReadOption {
return readTime(t)
}
type readTime time.Time
func (rt readTime) apply(rs *readSettings) {
rs.readTime = time.Time(rt)
}
// ReadOption interface allows for abstraction of computing read time settings.
type ReadOption interface {
apply(*readSettings)
}
// readSettings contains the ReadOptions for a read operation
type readSettings struct {
readTime time.Time
}
// parseReadTime ensures that fallback order of read options is respected.
func parseReadTime(c *Client, rs *readSettings) (*timestamppb.Timestamp, bool) {
if rs != nil && !rs.readTime.IsZero() {
return &timestamppb.Timestamp{Seconds: int64(rs.readTime.Unix())}, true
}
if c.readSettings != nil && !c.readSettings.readTime.IsZero() {
return &timestamppb.Timestamp{Seconds: int64(c.readSettings.readTime.Unix())}, true
}
return nil, false
}
+189
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@@ -0,0 +1,189 @@
// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package firestore
import (
"context"
"errors"
"fmt"
"sort"
"cloud.google.com/go/firestore/apiv1/firestorepb"
"google.golang.org/api/iterator"
)
// A CollectionGroupRef is a reference to a group of collections sharing the
// same ID.
type CollectionGroupRef struct {
c *Client
// Use the methods of Query on a CollectionGroupRef to create and run queries.
Query
}
func newCollectionGroupRef(c *Client, dbPath, collectionID string) *CollectionGroupRef {
return &CollectionGroupRef{
c: c,
Query: Query{
c: c,
collectionID: collectionID,
path: dbPath,
parentPath: dbPath + "/documents",
allDescendants: true,
},
}
}
// GetPartitionedQueries returns a slice of Query objects, each containing a
// partition of a collection group. partitionCount must be a positive value and
// the number of returned partitions may be less than the requested number if
// providing the desired number would result in partitions with very few documents.
//
// If a Collection Group Query would return a large number of documents, this
// can help to subdivide the query to smaller working units that can be distributed.
//
// If the goal is to run the queries across processes or workers, it may be useful to use
// `Query.Serialize` and `Query.Deserialize` to serialize the query.
func (cgr CollectionGroupRef) GetPartitionedQueries(ctx context.Context, partitionCount int) ([]Query, error) {
qp, err := cgr.getPartitions(ctx, partitionCount)
if err != nil {
return nil, err
}
queries := make([]Query, len(qp))
for i, part := range qp {
queries[i] = part.toQuery()
}
return queries, nil
}
// getPartitions returns a slice of queryPartition objects, describing a start
// and end range to query a subsection of the collection group. partitionCount
// must be a positive value and the number of returned partitions may be less
// than the requested number if providing the desired number would result in
// partitions with very few documents.
func (cgr CollectionGroupRef) getPartitions(ctx context.Context, partitionCount int) ([]queryPartition, error) {
orderedQuery := cgr.query().OrderBy(DocumentID, Asc)
if partitionCount <= 0 {
return nil, errors.New("a positive partitionCount must be provided")
} else if partitionCount == 1 {
return []queryPartition{{CollectionGroupQuery: orderedQuery}}, nil
}
db := cgr.c.path()
ctx = withResourceHeader(ctx, db)
// CollectionGroup Queries need to be ordered by __name__ ASC.
query, err := orderedQuery.toProto()
if err != nil {
return nil, err
}
structuredQuery := &firestorepb.PartitionQueryRequest_StructuredQuery{
StructuredQuery: query,
}
// Uses default PageSize
pbr := &firestorepb.PartitionQueryRequest{
Parent: db + "/documents",
PartitionCount: int64(partitionCount),
QueryType: structuredQuery,
}
cursorReferences := make([]*firestorepb.Value, 0, partitionCount)
iter := cgr.c.c.PartitionQuery(ctx, pbr)
for {
cursor, err := iter.Next()
if err == iterator.Done {
break
}
if err != nil {
return nil, fmt.Errorf("GetPartitions: %w", err)
}
cursorReferences = append(cursorReferences, cursor.GetValues()...)
}
// From Proto documentation:
// To obtain a complete result set ordered with respect to the results of the
// query supplied to PartitionQuery, the results sets should be merged:
// cursor A, cursor B, cursor M, cursor Q, cursor U, cursor W
// Once we have exhausted the pages, the cursor values need to be sorted in
// lexicographical order by segment (areas between '/').
sort.Sort(byFirestoreValue(cursorReferences))
queryPartitions := make([]queryPartition, 0, len(cursorReferences))
previousCursor := ""
for _, cursor := range cursorReferences {
cursorRef := cursor.GetReferenceValue()
// remove the root path from the reference, as queries take cursors
// relative to a collection
cursorRef = cursorRef[len(orderedQuery.path)+1:]
qp := queryPartition{
CollectionGroupQuery: orderedQuery,
StartAt: previousCursor,
EndBefore: cursorRef,
}
queryPartitions = append(queryPartitions, qp)
previousCursor = cursorRef
}
// In the case there were no partitions, we still add a single partition to
// the result, that covers the complete range.
lastPart := queryPartition{CollectionGroupQuery: orderedQuery}
if len(cursorReferences) > 0 {
cursorRef := cursorReferences[len(cursorReferences)-1].GetReferenceValue()
lastPart.StartAt = cursorRef[len(orderedQuery.path)+1:]
}
queryPartitions = append(queryPartitions, lastPart)
return queryPartitions, nil
}
// queryPartition provides a Collection Group Reference and start and end split
// points allowing for a section of a collection group to be queried. This is
// used by GetPartitions which, given a CollectionGroupReference returns smaller
// sub-queries or partitions
type queryPartition struct {
// CollectionGroupQuery is an ordered query on a CollectionGroupReference.
// This query must be ordered Asc on __name__.
// Example: client.CollectionGroup("collectionID").query().OrderBy(DocumentID, Asc)
CollectionGroupQuery Query
// StartAt is a document reference value, relative to the collection, not
// a complete parent path.
// Example: "documents/collectionName/documentName"
StartAt string
// EndBefore is a document reference value, relative to the collection, not
// a complete parent path.
// Example: "documents/collectionName/documentName"
EndBefore string
}
// toQuery converts a queryPartition object to a Query object
func (qp queryPartition) toQuery() Query {
q := *qp.CollectionGroupQuery.query()
// Remove the leading path before calling StartAt, EndBefore
if qp.StartAt != "" {
q = q.StartAt(qp.StartAt)
}
if qp.EndBefore != "" {
q = q.EndBefore(qp.EndBefore)
}
return q
}
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// Copyright 2017 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package firestore
import (
"context"
"crypto/rand"
"fmt"
)
// A CollectionRef is a reference to Firestore collection.
type CollectionRef struct {
c *Client
// The full resource path of the collection's parent. Typically Parent.Path,
// or c.path if Parent is nil. May be different if this CollectionRef was
// created from a stored reference to a different project/DB. Always
// includes /documents - that is, the parent is minimally considered to be
// "<db>/documents".
//
// For example, "projects/P/databases/D/documents/coll-1/doc-1".
parentPath string
// The shorter resource path of the collection. A collection "coll-2" in
// document "doc-1" in collection "coll-1" would be: "coll-1/doc-1/coll-2".
selfPath string
// Parent is the document of which this collection is a part. It is
// nil for top-level collections.
Parent *DocumentRef
// The full resource path of the collection: "projects/P/databases/D/documents..."
Path string
// ID is the collection identifier.
ID string
// Use the methods of Query on a CollectionRef to create and run queries.
Query
// readSettings specifies constraints for reading documents in the collection
// e.g. read time
readSettings *readSettings
}
func newTopLevelCollRef(c *Client, dbPath, id string) *CollectionRef {
return &CollectionRef{
c: c,
ID: id,
parentPath: dbPath + "/documents",
selfPath: id,
Path: dbPath + "/documents/" + id,
Query: Query{
c: c,
collectionID: id,
path: dbPath + "/documents/" + id,
parentPath: dbPath + "/documents",
},
readSettings: &readSettings{},
}
}
func newCollRefWithParent(c *Client, parent *DocumentRef, id string) *CollectionRef {
selfPath := parent.shortPath + "/" + id
return &CollectionRef{
c: c,
Parent: parent,
ID: id,
parentPath: parent.Path,
selfPath: selfPath,
Path: parent.Path + "/" + id,
Query: Query{
c: c,
collectionID: id,
path: parent.Path + "/" + id,
parentPath: parent.Path,
},
readSettings: &readSettings{},
}
}
// Doc returns a DocumentRef that refers to the document in the collection with the
// given identifier.
func (c *CollectionRef) Doc(id string) *DocumentRef {
if c == nil {
return nil
}
return newDocRef(c, id)
}
// NewDoc returns a DocumentRef with a uniquely generated ID.
//
// NewDoc will panic if crypto/rand cannot generate enough bytes to make a new
// doc ID.
func (c *CollectionRef) NewDoc() *DocumentRef {
return c.Doc(uniqueID())
}
// Add generates a DocumentRef with a unique ID. It then creates the document
// with the given data, which can be a map[string]interface{}, a struct or a
// pointer to a struct.
//
// Add returns an error in the unlikely event that a document with the same ID
// already exists.
func (c *CollectionRef) Add(ctx context.Context, data interface{}) (*DocumentRef, *WriteResult, error) {
d := c.NewDoc()
wr, err := d.Create(ctx, data)
if err != nil {
return nil, nil, err
}
return d, wr, nil
}
// DocumentRefs returns references to all the documents in the collection, including
// missing documents. A missing document is a document that does not exist but has
// sub-documents.
func (c *CollectionRef) DocumentRefs(ctx context.Context) *DocumentRefIterator {
return newDocumentRefIterator(ctx, c, nil, c.readSettings)
}
const alphanum = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
func uniqueID() string {
b := make([]byte, 20)
if _, err := rand.Read(b); err != nil {
panic(fmt.Sprintf("firestore: crypto/rand.Read error: %v", err))
}
for i, byt := range b {
b[i] = alphanum[int(byt)%len(alphanum)]
}
return string(b)
}
// WithReadOptions specifies constraints for accessing documents from the database,
// e.g. at what time snapshot to read the documents.
func (c *CollectionRef) WithReadOptions(opts ...ReadOption) *CollectionRef {
for _, ro := range opts {
ro.apply(c.readSettings)
}
return c
}
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// Copyright 2017 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// DO NOT EDIT doc.go. Modify internal/doc.template, then run make -C internal.
/*
Package firestore provides a client for reading and writing to a Cloud Firestore
database.
See https://cloud.google.com/firestore/docs for an introduction
to Cloud Firestore and additional help on using the Firestore API.
See https://godoc.org/cloud.google.com/go for authentication, timeouts,
connection pooling and similar aspects of this package.
Note: you can't use both Cloud Firestore and Cloud Datastore in the same
project.
# Creating a Client
To start working with this package, create a client with a project ID:
ctx := context.Background()
client, err := firestore.NewClient(ctx, "projectID")
if err != nil {
// TODO: Handle error.
}
# CollectionRefs and DocumentRefs
In Firestore, documents are sets of key-value pairs, and collections are groups of
documents. A Firestore database consists of a hierarchy of alternating collections
and documents, referred to by slash-separated paths like
"States/California/Cities/SanFrancisco".
This client is built around references to collections and documents. CollectionRefs
and DocumentRefs are lightweight values that refer to the corresponding database
entities. Creating a ref does not involve any network traffic.
states := client.Collection("States")
ny := states.Doc("NewYork")
// Or, in a single call:
ny = client.Doc("States/NewYork")
# Reading
Use DocumentRef.Get to read a document. The result is a DocumentSnapshot.
Call its Data method to obtain the entire document contents as a map.
docsnap, err := ny.Get(ctx)
if err != nil {
// TODO: Handle error.
}
dataMap := docsnap.Data()
fmt.Println(dataMap)
You can also obtain a single field with DataAt, or extract the data into a struct
with DataTo. With the type definition
type State struct {
Capital string `firestore:"capital"`
Population float64 `firestore:"pop"` // in millions
}
we can extract the document's data into a value of type State:
var nyData State
if err := docsnap.DataTo(&nyData); err != nil {
// TODO: Handle error.
}
Note that this client supports struct tags beginning with "firestore:" that work like
the tags of the encoding/json package, letting you rename fields, ignore them, or
omit their values when empty.
To retrieve multiple documents from their references in a single call, use
Client.GetAll.
docsnaps, err := client.GetAll(ctx, []*firestore.DocumentRef{
states.Doc("Wisconsin"), states.Doc("Ohio"),
})
if err != nil {
// TODO: Handle error.
}
for _, ds := range docsnaps {
_ = ds // TODO: Use ds.
}
# Writing
For writing individual documents, use the methods on DocumentReference.
Create creates a new document.
wr, err := ny.Create(ctx, State{
Capital: "Albany",
Population: 19.8,
})
if err != nil {
// TODO: Handle error.
}
fmt.Println(wr)
The first return value is a WriteResult, which contains the time
at which the document was updated.
Create fails if the document exists. Another method, Set, either replaces an existing
document or creates a new one.
ca := states.Doc("California")
_, err = ca.Set(ctx, State{
Capital: "Sacramento",
Population: 39.14,
})
To update some fields of an existing document, use Update. It takes a list of
paths to update and their corresponding values.
_, err = ca.Update(ctx, []firestore.Update{{Path: "capital", Value: "Sacramento"}})
Use DocumentRef.Delete to delete a document.
_, err = ny.Delete(ctx)
# Preconditions
You can condition Deletes or Updates on when a document was last changed. Specify
these preconditions as an option to a Delete or Update method. The check and the
write happen atomically with a single RPC.
docsnap, err = ca.Get(ctx)
if err != nil {
// TODO: Handle error.
}
_, err = ca.Update(ctx,
[]firestore.Update{{Path: "capital", Value: "Sacramento"}},
firestore.LastUpdateTime(docsnap.UpdateTime))
Here we update a doc only if it hasn't changed since we read it.
You could also do this with a transaction.
To perform multiple writes at once, use a WriteBatch. Its methods chain
for convenience.
WriteBatch.Commit sends the collected writes to the server, where they happen
atomically.
writeResults, err := client.Batch().
Create(ny, State{Capital: "Albany"}).
Update(ca, []firestore.Update{{Path: "capital", Value: "Sacramento"}}).
Delete(client.Doc("States/WestDakota")).
Commit(ctx)
# Queries
You can use SQL to select documents from a collection. Begin with the collection, and
build up a query using Select, Where and other methods of Query.
q := states.Where("pop", ">", 10).OrderBy("pop", firestore.Desc)
Supported operators include '<', '<=', '>', '>=', '==', 'in', 'array-contains', and
'array-contains-any'.
Call the Query's Documents method to get an iterator, and use it like
the other Google Cloud Client iterators.
iter := q.Documents(ctx)
defer iter.Stop()
for {
doc, err := iter.Next()
if err == iterator.Done {
break
}
if err != nil {
// TODO: Handle error.
}
fmt.Println(doc.Data())
}
To get all the documents in a collection, you can use the collection itself
as a query.
iter = client.Collection("States").Documents(ctx)
Firestore supports similarity search over embedding vectors. See [Query.FindNearest]
for details.
# Collection Group Partition Queries
You can partition the documents of a Collection Group allowing for smaller subqueries.
collectionGroup = client.CollectionGroup("States")
partitions, err = collectionGroup.GetPartitionedQueries(ctx, 20)
You can also Serialize/Deserialize queries making it possible to run/stream the
queries elsewhere; another process or machine for instance.
queryProtos := make([][]byte, 0)
for _, query := range partitions {
protoBytes, err := query.Serialize()
// handle err
queryProtos = append(queryProtos, protoBytes)
...
}
for _, protoBytes := range queryProtos {
query, err := client.CollectionGroup("").Deserialize(protoBytes)
...
}
# Transactions
Use a transaction to execute reads and writes atomically. All reads must happen
before any writes. Transaction creation, commit, rollback and retry are handled for
you by the Client.RunTransaction method; just provide a function and use the
read and write methods of the Transaction passed to it.
ny := client.Doc("States/NewYork")
err := client.RunTransaction(ctx, func(ctx context.Context, tx *firestore.Transaction) error {
doc, err := tx.Get(ny) // tx.Get, NOT ny.Get!
if err != nil {
return err
}
pop, err := doc.DataAt("pop")
if err != nil {
return err
}
return tx.Update(ny, []firestore.Update{{Path: "pop", Value: pop.(float64) + 0.2}})
})
if err != nil {
// TODO: Handle error.
}
# Google Cloud Firestore Emulator
This package supports the Cloud Firestore emulator, which is useful for testing and
development. Environment variables are used to indicate that Firestore traffic should be
directed to the emulator instead of the production Firestore service.
To install and run the emulator and its environment variables, see the documentation
at https://cloud.google.com/sdk/gcloud/reference/beta/emulators/firestore/. Once the
emulator is running, set FIRESTORE_EMULATOR_HOST to the API endpoint.
// Set FIRESTORE_EMULATOR_HOST environment variable.
err := os.Setenv("FIRESTORE_EMULATOR_HOST", "localhost:9000")
if err != nil {
// TODO: Handle error.
}
// Create client as usual.
client, err := firestore.NewClient(ctx, "my-project-id")
if err != nil {
// TODO: Handle error.
}
defer client.Close()
*/
package firestore

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